Replaced the call to hcimonit.exe with some code that should work on the
systems that hcimonit.exe failed to run on previously - hcimonit.exe was
returning 1 indicating some sort of failure thus preventing USBcfg from
being useable.
http://hobbes.nmsu.edu/cgi-bin/h-search?key=USBcfgb6c
Regards
Pete