How to Add “Check for Updates” Option to the Context Menu in Windows

How to Add “Check for Updates” Option to the Context Menu in Windows

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How to manually remove programs from the Add or Remove Programs tool

  1. open Regedit.exe
  2. go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
  3. Each key listed under Uninstall in the left pane of Registry Editor represents a program that is displayed in the Currently installed programslist of the Add or Remove Programs tool. To determine which program that each key represents, click the key, and then view the following values in the details pane on the right:
    DisplayName: The value data for the DisplayName key is the name that is listed in Add or Remove Programs.
    -and-
    UninstallString: The value data for the UninstallString key is the program that is used to uninstall the program.
    Delete each key you want to remove from the list.

 

How to restore the system/boot drive letter in Windows

  1. Make a full system backup of the computer and system state.
  2. Log on as an Administrator.
  3. Start Regedt32.exe.
  4. Go to the following registry key:
    HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
  5. Click MountedDevices.
  6. On the Security menu, click Permissions.
  7. Verify that Administrators have full control. Change this back when you are finished with these steps.
  8. Quit Regedt32.exe, and then start Regedit.exe.
  9. Locate the following registry key:
    HKEY_LOCAL_MACHINE\SYSTEM\MountedDevices
  10. Find the drive letter you want to change to (new). Look for “\DosDevices\C:”.
  11. Right-click \DosDevices\C:, and then click Rename.

    Note You must use Regedit instead of Regedt32 to rename this registry key.

  12. Rename it to an unused drive letter “\DosDevices\Z:”.

    This frees up drive letter C.

  13. Find the drive letter you want changed. Look for “\DosDevices\D:”.
  14. Right-click \DosDevices\D:, and then click Rename.
  15. Rename it to the appropriate (new) drive letter “\DosDevices\C:”.
  16. Click the value for \DosDevices\Z:, click Rename, and then name it back to “\DosDevices\D:”.
  17. Quit Regedit, and then start Regedt32.
  18. Change the permissions back to the previous setting for Administrators (this should probably be Read Only).
  19. Restart the computer

 

http://support.microsoft.com/kb/223188