Have you ever opened the Add/Remove Programs applet, only to discover that it still lists a program you've already removed? If this has happened to you, chances are good that you attempted to clear the entry from the Add/Remove Programs tool by clicking the Change Or Remove Programs button again.
When you do, you receive an error message that states Windows no longer has the program installed. But the entry still remains in the Add/Remove Programs tool.
To get rid of these orphaned entries, you must resort to editing the registry. Follow these steps:
Note: Editing the registry is risky, so be sure you have a verified backup before saving any changes.