Originally Posted by RawAlex

One of the issues you may be facing is the upgrade route rather than the new install. You have a pretty powerful PC and the machine should have no probably running Vista. But it sounds like you have some pretty major conflicts in the OS. Before you even try to get the camera to work, you should resolve those issues.

There are tools out there to see what is getting loaded, I suspect that something is getting loaded for a device, possibly old USB 1.1 that is royally screwing with your system.

Good luck.