From: "Mike" <Mike@discussions.microsoft.com>

| well the prove that My Antivirus couldnot started anymore until I reinstalled
| it again is convincing me (my root certificate were lost displayed as the
| information).
| After that I changed my Zaw/AV to kav, and it found many trojans loose from
| my previous AV

Trojans don't do that. They WANT the PC to be somewhat funtional sothey can do the routines
contained within their payload. To shotdown a PC would be self defeating.

It sounds coincidental that you had the un-named Trojans andthe shutdown.

--
Dave
http://www.claymania.com/removal-trojan-adware.html
http://www.ik-cs.com/got-a-virus.htm