As found in the internet, written by Ankit Fadia
Important Note: Before you read on, you need to keep one thing in mind. Whenever you make changes to the Windows Registry you need to Refresh it before the changes take place. Simply press F5 to refresh the registry and enable the changes. If this does not work Restart your system

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Exiting Windows the Cool and Quick Way

Normally it takes a hell lot of time just Shutting down Windows, you have to move your mouse to the Start Button, click on it, move it again over Shut Down, click, then move it over the necessary option and click, then move the cursor over the OK button and once again (you guessed it) click.This whole process can be shortened by creating shortcuts on the Desktop which will shut down Windows at the click of a button. Start by creating a new shortcut( right click and select New> Shortcut). Then in the command line box, type (without the quotes.)

'C:windowsrundll.exe user.exe,exitwindowsexec'

This Shortcut on clicking will restart Windows immediately without any Warning. To create a Shortcut to Restarting Windows, type the following in the Command Line box:

'c:windowsrundll.exe user.exe,exitwindows'

This Shortcut on clicking will shut down Windows immediately without any Warning.

Ban Shutdowns : A trick to Play on Lamers

This is a neat trick you can play on that lamer that has a huge ego, in this section I teach you, how to disable the Shut Down option in the Shut Down Dialog Box. This trick involves editing the registry, so please make backups. Launch regedit.exe and go to :

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer

In the right pane look for the NoClose Key. If it is not already there then create it by right clicking in the right pane and selecting New > String Value.(Name it NoCloseKey ) Now once you see the NoCloseKey in the right pane, right click on it and select Modify. Then Type 1 in the Value Data Box.

Doing the above on a Win98 system disables the Shut Down option in the Shut Down Dialog Box. But on a Win95 machine if the value of NoCloseKey is set to 1 then click on the Start > Shut Down button displays the following error message:

This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.

You can enable the shut down option by changing the value of NoCloseKey to 0 or simply deleting the particular entry i.e. deleting NoCloseKey.

Instead of performing the above difficult to remember process, simply save the following with an extension of .reg and add it's contents to the registry by double clicking on it.

REGEDIT4

[HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer]

"NoClose"="1"

Disabling Display of Drives in My Computer

This is yet another trick you can play on your geek friend. To disable the display of local or networked drives when you click My Computer go to :

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer

Now in the right pane create a new DWORD item and name it NoDrives. Now modify it's value and set it to 3FFFFFF (Hexadecimal) Now press F5 to refresh. When you click on My Computer, no drives will be shown. To enable display of drives in My Computer, simply delete this DWORD item. It's .reg file is as follows:

REGEDIT4

[HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer]

"NoDrives"=dword:03ffffff

Take Over the Screen Saver

To activate and deactivate the screen saver whenever you want, goto the following registry key:

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionScreenSavers

Now add a new string value and name it Mouse Corners. Edit this new value to -Y-N. Press F5 to refresh the registry. Voila! Now you can activate your screensaver by simply placing the mouse cursor at the top right corner of the screen and if you take the mouse to the bottom left corner of the screen, the screensaver will deactivate.

Pop a banner each time Windows Boots

To pop a banner which can contain any message you want to display just before a user is going to log on, go to the key:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionWinLogon

Now create a new string Value in the right pane named LegalNoticeCaption and enter the value that you want to see in the Menu Bar. Now create yet another new string value and name it: LegalNoticeText. Modify it and insert the message you want to display each time Windows boots. This can be effectively used to display the company's private policy each time the user logs on to his NT box. It's .reg file would be:

REGEDIT4

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionWinlogon]

"LegalNoticeCaption"="Caption here."

Delete the Tips of the Day to save 5KB

Windows 95 had these tips of the day which appeared on a system running a newly installed Windows OS. These tips of the day are stored in the Windows Registry and consume 5K of space. For those of you who are really concerned about how much free space your hard disk has, I have the perfect trick.

To save 5K go to the following key in Regedit:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionExplorerTips

Now simply delete these tricks by selecting and pressing the DEL key.

Change the Default Locations

To change the default drive or path where Windows will look for it's installation files, go to the key:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionSetupSourcePath

Now you can edit as you wish.

Secure your Desktop Icons and Settings

You can save your desktop settings and secure it from your nerdy friend by playing with the registry. Simply launch the Registry Editor go to:

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer

In the right pane create a new DWORD Value named NoSaveSettings and modify it's value to 1. Refresh and restart for the settings to get saved.

CLSID Folders Explained

Don't you just hate those stubborn stupid icons that refuse to leave the desktop, like the Network Neighborhood icon. I am sure you want to know how you can delete them. You may say, that is really simple, simply right click on the concerned icon and select Delete. Well not exactly, you see when you right click on these special folders( see entire list below)neither the rename nor the delete option does not appear. To delete these folders, there are two methods, the first one is using the System Policy Editor(Poledit in the Windows installation CD)and the second is using the Registry.

Before we go on, you need to understand what CLSID values are. These folders, like the Control Panel, Inbox, The Microsoft Network, Dial Up Networking etc are system folders. Each system folder has a unique CLSID key or the Class ID which is a 16-byte value which identifies an individual object that points to a corresponding key in the registry.

To delete these system Folders from the desktop simply go to the following registry key:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionExplorerDesktopNamespace
{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}

To delete an icon simply delete the 16 byte CLSID value within "NameSpace". The following are the CLSID values of the most commonly used icons:

My Briefcase:{85BBD920-42AO-1069-A2E4-08002B30309D}

Desktop: {00021400-0000-0000-C000-0000000000046}

Control Panel:{21EC2020-3AEA-1069-A2DD-08002B30309D}

Dial-Up-Networking:{992CFFA0-F557-101A-88EC-00DD01CCC48}

Fonts: {BD84B380-8CA2-1069-AB1D-08000948534}

Inbox :{00020D76-0000-0000-C000-000000000046}

My Computer :{20D04FE0-3AEA-1069-A2D8-08002B30309D}

Network Neighborhood:{208D2C60-3AEA-1069-A2D7-O8002B30309D}

Printers :{2227A280-3AEA-1069-A2DE-O8002B30309D}

Recycle Bin :{645FF040-5081-101B-9F08-00AA002F954E}

The Microsoft Network:{00028B00-0000-0000-C000-000000000046}

History: {FF393560-C2A7-11CF-BFF4-444553540000}

Winzip :{E0D79300-84BE-11CE-9641-444553540000}

For example, to delete the Recycle Bin, first note down it's CLSID value, which is: 645FF040-5081-101B-9F08-00AA002F954E. Now go to the Namespace key in the registry and delete the corresponding key.

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionexplorerDesktopNameSpace
{645FF040-5081-101B-9F08-00AA002F954E}

Similarly to delete the History folder, delete the following key:

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionexplorerDesktopNameSpace
{FBF23B42-E3F0-101B-8488-00AA003E56F8}

Sometimes, you may need to play a trick on your brother or friend, well this one teaches you how to hide all icons from the Desktop. Go to the following registry key:

HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesExplorer

In the right pane create a new DWORD value by the name: NoDesktop and set its value to: 1. Reboot and you will find no icons on the desktop.

Till now you simply learnt how to delete the special system folders by deleting a registry key, but the hack would have been better if there was a way of adding the DELETE and RENAME option to the right click context menus of these special folders. You can actually change the right click context menu of any system folder and add any of the following options: RENAME, DELETE, CUT, COPY, PASTE and lots more.

This hack too requires you to know the CLSID value of the system folder whose menu you want to customize. In this section, I have taken up Recycle Bin as the folder whose context menu I am going to edit.

Firstly launch the registry editor and open the following registry key:

HKEY_CLASSES_ROOTCLSID{645FF040-5081-101B-9F08-00AA002F954E}ShellFolder.

In Case you want to edit some other folder like say the FONTS folder, then you will open the following key:

HKEY_CLASSES_ROOTCLSID{CLSID VALUE HERE}ShellFolder.

In the right pane there will be a DWORD value names attributes. Now consider the following options:
To add the Rename option to the menu, change the value of Attributes to

50 01 00 20
To add the Delete option to the menu, change the value of Attributes to

60 01 00 20

3. To add both the Rename & Delete options to the menu, change the value of Attributes to 70,01,00,20

4. Add Copy to the menu, change Attributes to 41 01 00 20

5. Add Cut to the menu, change Attributes to 42 01 00 20

6. Add Copy & Cut to the menu, change Attributes to 43 01 00 20

7. Add Paste to the menu, change Attributes to 44 01 00 20

8. Add Copy & Paste to the menu, change Attributes to 45 01 00 20

9. Add Cut & Paste to the menu, change Attributes to 46 01 00 20

10.Add all Cut, Copy & Paste to the menu, change Attributes to 47 01 00 20

We want to add only the Rename option to the right click context menu of the Recycle Bin, so change the value of attributes to: 50 01 00 20. Press F5 to refresh and then after rebooting you will find that when you right click on the Recycle Bin a RENAME option pops up too.

To reset the default Windows options change the value of Attributes back to

40 01 00 20

The Registry File which one can create for the above process would be something like the below:

REGEDIT4