I'm running Vista SP2 32bit.
It all happened very fast but I think(?) I encountered a trojan, as I got a very brief warning (from defender?) and then my laptop restarted.
I immediately unplugged the router as a security measure and have not been back on the internet since.
I have found that AVG does not have any active components nor can I reinstall it. Also cleanup, hijack this and mbam will not load.
I downloaded windows malicious software removal from another laptop to a cd-rom and tried to run it but get the message "Extraction failed mrtstub.exe is not a valid Win32 application". The file name is "windows-kb890830-v3.0"
When pressing F8 at startup I can get to the startup options screen but when I select "safe mode" it seems to just load normally i.e. not in safe mode.
Any advice on what to do next and am I right not to go onto the internet or could that potentially solve the problem?
Many thanks in anticipation