I have just installed Pinnacle PCTV on a Windows XP SP2 pc. All is working fine EXCEPT when I use the volume controls on the keyboard I lose all sound and have to re-boot to get any sound back at all. It's fine if I turn the volume up and/or down from the speaker controls or even using the remote control that came with PCTV. Could this be a software conflict between PCTV and my Microsoft wireless keyboard and/or between the keyboard and the remote control? If so, what do I need to do to fix it. If not, what else could it be? Hope someone can help. Thanks.