Hi Ron,
Can you download this utility
HijackThis unzip it, and run HijackThis.exe And "
Do a system scan and save a logfile" once you run this it will save all the details in the hijackthis.log file.
Please attach this file to this post so that we can have look at it and suggest what to do next.
Also please let us know if your system is up to date with all microsoft updates like sp2 etc..