|Then try to find the program and see if it is still there or if you have permissions to it.|
Kind of an odd failure. Not sure you can deny installing it for most home users it should be there.
Guess you could try running sfc.exe /scannow not sure it is will fix it.
Might be time for a clean install from OEM disks and start all over.
The information ought to also be in hardware > device manager only in a different form.
A Pit Bull is like a gun you can pet. And there is no safety on it.