Looking at the USBFN MDD code which handles IOCTL_UFN_CHANGE_CURRENT_CLIENT (%_WINCEROOT% PUBLIC COMMON OAK DRIVERS USBFN CONTROLLER MDD ufnbus.cpp) there are different cases where ERROR_GEN_FAILURE is returned. I suggest you to build a debug OS image (or simply a debug version of the USB function controller DLL) and look at the debug output to identify the code path which fails. Dzhazovie pesni dlya vokaljnogo ansamblya noti youtube. The USB function controller DLL name depends on the specific BSP Luca Calligaris lucaDOTcalligarisATeurotechDOTcom www.eurotech.com Check my blog: http://lcalligaris.wordpress.com.

They show up in device manager as 'Generic Serial Prototype (remember to change idvendor)' I have tried uninstalling and reinstalling mobile device manager and the drivers as they show up and then starting it all over, but the same thing keeps happening.