Hi alanivan,
Please download
HijackThis. This program will help us determine if there are any spyware/malware on your computer. Double-click on the file you just downloaded. Click on the "Unzip" button to install. It will by default install to the directory:
C:\PROGRAM FILES\HIJACKTHIS\
Run a scan and save the log file. Do not fix anything in HijackThis since they may be harmless.
Post the HijackThis log as a reply to this thread.
Make sure to include the System information at the top of the log and please make sure your word wrap is turned off in Notepad (under the Tools menu) before copying the log.