Can't open files by double click

[Phil vK]

I came across and used a utility that was called something like "Windows
Installer Clean-up". I guess i shouldn't have because now I can no longer
open files by double clicking them in Windows Explorer. If I try to assign a
program to a file type I get the message that "This action is only valid for
programs that are currently installed". The programs ARE there. Any help is
appreciated, thanks!

 

[DL]

If you used the windows installer clean up utility to remove Office
installer files you need to repair your office installation with the Office
cd
Why did you use the utility?

 

[Phil vK]

I used it because I didn't know any better....I thought is was like the "Disk
Cleanup" utility. Now I know.

 

[DL]

cest la vie

I used it because I didn't know any better....I thought is was like the
"Disk
Cleanup" utility. Now I know.