windows crashing/ locking up

my copy of windows keeps crashing/locking up but avg anti-
virus, trojen guarder, pest patrol, hijack this and
online tests all show that i have no known problem

the machine will also reboot for no known reason

any suggestions i need help

Greetings:

It's posible your computer has been infected by the Sasser worm
go to the following page and run a test to discard that posibility.

What you should know about the Sasser.worm and its variants
http://www.microsoft.com/security/incident/sasser.mspx
In this page you can determine which variant of the virus infected your
computer.

Install Ad-aware6 from Lavasoft.com
http://www.lavasoftusa.com update before first scan

Install Spybot Search and Destroy and update before first scan.
http://www.safer-networking.org/index.php?page=download

Also install The Cleaner from;
http://www.moosoft.com/products/cleaner/search/



---------------Original Message---------------
"kevin harvey" <anonymous@discussions.microsoft.com> escribió en el mensaje
news:1e2ca01c454a4$98ef5d10$a001280a@phx.gbl...
> my copy of windows keeps crashing/locking up but avg anti-
> virus, trojen guarder, pest patrol, hijack this and
> online tests all show that i have no known problem
>
> the machine will also reboot for no known reason
>
> any suggestions i need help
>