Due to changes made to MPLAB 8.20 and above, the old USB files would no longer compile and new ones had to be written by meLabs.

Different USB files need to be used in the project now, and a new descriptor must be generated. EasyHID descriptor files no longer work.

For HID, see this post ...
http://www.picbasic.co.uk/forum/show...7423#post77423
--- and this one ---
http://www.picbasic.co.uk/forum/show...0434#post80434


For CDC, check this one ...
http://www.picbasic.co.uk/forum/show...0301#post80301