|It is usually a virus.|
It may take several post to get all the info to us.
Please download OTL from following site:
OTL by OldTimer
1. Save it to your desktop
2. Double click the OTL icon on your desktop.
3. Click the “scan all users” checkbox.
4. Push the “run scan” button.
5. Two reports will open, copy and paste them in a reply here:
OTL.txt <-- Will be opened
Extra.txt <-- Will be minimized