Why does it take so long to uninstall a program

Jude123

Honorable
Mar 11, 2012
1
0
10,510
I have windows vista business and when I want to uninstall a program it takes for ever and does not always happen.
For example try to uninstall PC-Cleaner Pro the only way is to use system restore.
Any help on my uninstall problem would be grafully appreciated