PowerChaos: You may want to download
HijackThis and run on your PC. Choose the "Scan and save a logfile" option. Then a list will appear with checkboxes. These are all parts of software on your PC.
Paste the logfile that opens into
this website and uncheck the boxes for the entries that the site flags. Hopefully this will help some as it should stop some of the malware from loading when you reboot your PC.
BMR777