Download UsbFix (created by El Desaparecido) on your desktop.
If your antivirus gives an alert, ignore it and temporarily deactivate the antivirus.
Plug in your device don't open it.
Double click sur UsbFix.exe.
Click on deletion
Let the tool work.
At the end of the scan a report will show which you can copy and paste here..
The report is save at the root ( C:\UsbFix.txt ).
This could very well save you $20. It can't hurt.