Okay so I have the F700BT. After my wife's car battery died we replaced it and ever since the bluetooth didn't work. We were running 2.X at the time. I saw 3.0 and "3.1" were out so I upgraded to that thinking it might fix the issue:
I used this image:
viewtopic.php?f=34&t=32351
Upgrade went fantastically, great instructions provided.
Afterwards the bluetooth still didn't work but now, if I cycle the bluetooth "off" a windows error dialog says "tel.exe throw an fatal exception" or something similar. If I try to cycle it on, the same message comes up but then the device