In that case, run a scan in HijackThis. Check each of the following and hit 'Fix checked' (after checking them) if they still exist (make sure not to miss any):
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
Download: StartDreck (
http://www.greyknight17.com/spy/StartDreck.zip).
Unzip to its own folder and start the program:
Press 'Config'
Press 'unmark all'
Check the following boxes only:
Registry -> Run Keys
System/Drivers> Running Processes
Press 'OK'
Press 'Save' and select the location to save the log file (default is the same folder as the application)
Post the log in this thread.
I don't see wuauclt.exe as one of the running processes though. Is it still listed in the list of running processes now?