- open Regedit.exe
- go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- 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.
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.for more details: http://support.microsoft.com/kb/314481