Trojan horse alert - then BSOD and no boot

Viruses and worms
1

I was surfing a site and got a Trojan horse warning. After backing out quickly, I received another and a few seconds later, a BSOD, then my PC shut down by itself and now will not reboot - so screen - just a frozen cursor.

I know the answer is format and re-install - any ideas on what may have happened so I can prevent/watch for this in the future? Any one else ever get this severe a worm thru Avast?

2
I know the answer is format and re-install
Dr.Web® LiveCD Emergency System Recovery Disk http://www.freedrweb.com/livecd/?lng=en How does it work? http://www.freedrweb.com/livecd/how_it_works/?lng=en

what is the URL where you was surfing ?
change http to hxxp or www to xxx so the link is not clickable when you post it