This is a solution i found at another site that i think could help you with your probem
If you still need help with this please do following:
Download and install TrendMicro HijackThis
* Once installed open HijackThis by clicking Start > Programs > HijackThis and click the button labeled
Do a system scan only
* Click the scan button in the lower left hand corner of the interface and HijackThis will quickly scan your system.
* Once the scan is complete the scan button will now read save log. Click this button to save the log file to your PC. Once you select where you would like to save the file it will open in your systems default text editor. Typically this application is Notepad. Post the log here.
Please let me know if you need more help with this problem