OK - take a deep breath (and I am not busting your chops)...
Go to this thread.. JL_Cmder
And download the JL_Cmder that d_fisher put together.
You need to completely wipe out the BB.
Make sure you have the latest version of the 8700g handheld OS downloaded.
Locate and delete "Vendor.XML" from your PC C: drive
Restart Desktop Manager and it should load..