"REGVAC" Caused all drivers and programs to become unaccessible. Please help!

[Cosmopolite]

I used the program Regvac to clean my computer earlier today.
After using it I found that I couldn't access anything on my computer. If I tried to use a program such as paint, or even if I tried to use the system restore, it said that the file could not be found.
If i tried to redownload any of the files, it would say that "exe" is not a recognized file type.
How can I fix this problem?

[Aegis]

What operating system, please?

[Cosmopolite]

Windows XP Professional Edition
I've tried reinstalling it, but it won't run.

[Cosmopolite]

I can't even access the volume control.
Whenever I try to open a program, it opens as a notepad file.
The only thing that physically will run without a problem is the internet.

[Broni]

It 's always good idea to ask around before using some programs, especially, if they deal with system files.
Try XP Repair install: http://www.michaelstevenstech.com/XPrepairinstall.htm#RI

[patio]

Not familiar with this app so i visited their website...   you can't judge a product from a webpage however.....
At least it is not listed as a rogue app.

A good reg program will create backups before changing anything.
Have you checked the RegVac help file to see if this is the case ? ?