somehow i came acros this ant it works if you have this problem with the sims 3 only that game folow this (after making a backup)
Delete the game files (in the default location):
1. Click the Start button and select My Computer.
2. Select the Local Disk (C

drive folder.
3. Select the Program Files folder.
4. Select the Electronic Arts folder.
5. Right-click The Sims 3 folder and select Delete.
Backup the registry:
1. Hold down the Windows key and press R.
2. At the Run command, type in "regedit" (minus the quotes) and select OK.
3. Click on File and then Export...
4. Choose a location and name for the file; this will be your backup registry file.
5. Click Save.
Delete the registry keys:
1. Expand the HKEY_LOCAL_MACHINE folder.
2. Expand the SOFTWARE folder.
3. Expand the Electronic Arts folder.
4. Expand the Sims folder.
5. Right-click The Sims 3 folder and select Delete.
6. Collapse the Electronic Arts folder.
7. Expand the Sims folder.
8. Right-click The Sims 3 folder and select Delete.
9. Collapse the Sims folder.
10. Expand the Microsoft folder.
11. Expand the Windows folder.
12. Expand the CurrentVersion folder.
13. Expand the Uninstall folder.
14. Delete the following folder if it appears:
• {C05D8CDB-417D-4335-A38C-A0659EDFD6B8}
11. Collapse the Microsoft folder.
12. Expand the Classes folder.
13. Delete the following folders if they appear:
• .Sims3
• .Sims3Pack
• Sims3
• Sims3Pack
Delete the uninstall files:
1. Click the Start button and select My Computer.
2. Select the Local Disk (C

drive folder.
3. Select the Program Files folder.
4. Select Tools, then Folder Options, then View, then select "Show hidden files and folders."
5. Select the InstallShield Installation Information folder.
6. Delete the following folder if it appears:
• {C05D8CDB-417D-4335-A38C-A0659EDFD6B8}
than go to the add/remove tool from windows delete sims 3 ant it should say: the programs uninstaller cannot be found, do you want it removed from the list? click yes
from
here
stupid

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