Windows Powertools

Greetings. Sadly I have to send these lines because of a real serious
problem in my PC. When I sent to clean temp and unused files, Powertools
DELETE near to half of files of everything he found ahead in hard disk! I
didn't know it was happening, so let it go to Powertools, but a bad feeling
make me kick down application when don't finish his work for a long time.
After this, while I tried to start MS Office, didn´t work! So looked at
another programs, but every folder in hard disk was EMPTY, except WINDOWS
folder and a couple more.

I feel a deep distrust to download (for first time) another application now
from SF. It's really sad it was happening here. Really pitiful.

Luis Alberto Mendieta