interesting topic! the same thing happened to me last week! this system will shut down in 60 secs msg.... funny thing is i did the following : all microsoft updates ,norton antv with all updates done 2 virus scans online, did 3 diff. trojan scans -2 online ,one with swatit .check reg could not find msblast anywhere,got the msblast patch weeks before anything happened.i have a neat freeware thing installed (dcombobulater from steve gibson -this prog blocks the whole raw sockets problem -thats how the msblast worm attacks the computer ,this can be found at grc.com .so what could this be?????????????
i tried to do system restore but that did not work, it only happened once -the shut down and since then nothig else has happened and i am 24-7 online !
so any ideas ?