This is a much discussed subject in this forum. There's multiple threads with the solution posted. It's called "delete the upper and lower filters fix".
1. File from Microsoft and instructions posted in the STICKY (at the top of this forum).
2. please read post #24 in this thread:
http://forums.driverguide.com/showth...t=21669&page=4
It contains instructions on the
delete the upper and lower filters fix
3. Also, this thread has a file that will perform the registry fix: