Mid-use shutdown message

[Guest]

Yesterday I had to reload XP Home into my computer, which
had stopped working before. Now it works fine, with one
exception: About 15 minutes into a session, I get a
message saying "System shutting down. Shutdown by NT
Authority/System. Message from Remote Procedure Call
terminated unexpectedly." I was then given less than a
minute to shut down the computer, or it would on its
own. This happened twice. I have never seen this
before. Any ideas, especially how I get rid of it?
Thanks.

 

[Chris Lanier]

You have got a virus, removal info at...
http://www.kellys-korner-xp.com/xp_qr.htm#rpc

More info about the worm:
http://www.microsoft.com/security/incident/blast.asp

More info about the worm:
http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html