Have you tried turning your computer off and turning it back on either in safe mode to wipe out all the junk that's loading on boot-up, or running a boot time scan (either from your current anti-virus or a rescue disk)... or doing both.
Have you tried turning your computer off and turning it back on either in safe mode to wipe out all the junk that's loading on boot-up, or running a boot time scan (either from your current anti-virus or a rescue disk)... or doing both.