Here is what you need to do
1. Reboot your computer in Safe Mode with Networking by pressing F8 (or F5 on some computers) before Windows starts (before the Windows logo appears) and choosing Safe Mode with Networking from the following screen.
2. Download the Combofix tool from
here.
Note: Do not mouse click ComboFix's window while it is running. That may cause it to stall.
When finished, it will produce a log for you. The log is automatically saved on C:\ and is named Combofix.txt.
3. Restart in Normal Mode and attach the log to your reply.