Hi Aaron
Its hard to answer this without seeing a Hijack This log from your system
but heres a few options that may solve this.
Please download, install, and update the free version of ewido security suite
http://www.ewido.net/en/download/
When installing, under "Additional Options" uncheck "Install background
guard" and "Install scan via context menu". Click on update in the left menu,
then click the Start update button. After the update finishes close Ewido
Download Ccleaner
http://download.ccleaner.com/download124bin.asp
Install Then close
Download CWShredder
http://cwshredder.net/bin/CWShredder.exe
Save it to the desktop
Reboot into safe mode (Reboot and keep tapping F8 then choose safe mode from
the list)
Once in safe mode run Ewido again.
From the main menu click on 'scanner' then click 'Complete System Scan'
When ewido finds something, it will pop up a notification. Select "Remove"
and check the boxes "Perform action with all infections" and "Create
encrypted backup" then click on ok.When the scan finishes, click on "Save
Report" and save it to your desktop or c:/drive incase you need it again.
Run CWShredder and click "Fix" to scan your system for CoolWebSearch infection
Run Ccleaner and press "Run Cleaner"
Next goto start menu and then Control Panel and choose Internet Options.
Goto the Programs tab and press "Reset Web Settings" and include the hompage
and click "Yes" then go back to the General Tab and enter the Homepage you
want to use into the space provided and press Apply
Reboot back to normal mode,
Let us know if you have more problems
Regards
Andy