unhandled win32 exception occurred in svchost.exe

[citygent]

Getting this all the time, unhandled win32 exception occurred in svchost.exe, comes up in Visual Studio JIT Debugger.
If I kill the message it either reboots or hibernates the system. Sometimes comes back with no icons and I have to remove power and bettery to power off in order to reboot
I now have no network connectivity, LAN is disabled & will not enable, Wireless has nothing in the list when I refresh network list. Even tried my verizon wireless card which worked for a short while but no more
Have run Symantec with live update of 1/8/10 in both normal & safe more, nothing found. Managed to load and do deep scan using root analyzer but nothing there either.
Event viewer gives me no joy, just lots of informational messges with no real useful conent
I think it's a trojan but where to start to put it back together?

Anyone offer advise / help

[harry 48]

go to a clean pc and do this

Download a boot time anti virus scanner (pick one: http://www.google.com/search?hl=en&rlz=1T4GGLL_enUS304US305&ei=WHFCS-DZLMW8lAeTsP2fBw&sa=X&oi=spell&resnum=0&ct=result&cd=1&ved=0CAYQBSgA&q=download+boot+time+av+scanner&spell=1). Burn it to a cd and put the cd in the infected computer. Make sure the cd is at the top of the boot order in bios, then boot to the cd and run the scan.

[citygent]

I have downloaded on a different PC but it needs to be installed, how do I install so I can run from a CD?  I'm guessing but I assume something like Avast will insert items into registry etc

[SuperDave]

Go to this link to create a Rescue CD or to this site to create a Rescue USB. Carefully follow all the instructions for whichever method you choose.