In some cases, the Technical Support staff will request you to generate a HijackThis log. This file contains an in-depth report of your computer's registry and file settings which the staff can use to diagnose and troubleshoot the issue you are currently having.
Generating the HijackThis log
Right-click on HijackThis.exe and select Run as administrator.
Click on Do a system scan only.
After HijackThis has finished scanning, click on Save log.
Save the log file to an easy to remember location such as the Desktop.