gsquared, you sir are amazing!
Page 3, I found this and it worked!
Open computer Device manager and find Lumia 920 in Imaging devices.
Right-click Lumia 920 and choose Update drivers.
Choose Install from list (not automatic).
Choose Don't search.
Choose MTP Device instead of Digital Still Camera.
After this Lumia 920 is in Portable devices in computer's Device manager and works like a normal USB stick.