1. Click on START button, the click on RUN.
2. Enter REGEDIT and press Enter.
3. When REGEDIT starts, open up the following key:
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Class/
{4D36E965-E325 -11CE-BFC1-08002BE10318}.
4. After clicking on {4D36E965-E325 -11CE-BFC1-08002BE10318} you should see two settings on the right-hand side:
"Upperfilters"
"Lowerfilters"
Click on each of them, press DELETE and click YES.
Or you can download
this reg file to do the same thing.