I've uploaded the necessary files to
www.intersight.co.uk/PCL-W310.rar
If you still have a problem, it's worth knowing that the camera is a re-badged Mustek WCam 300A and drivers can be found at
www.mustek.co.uk
If all else fails I can send you the original PC Line Installation disk - NOT a copy - as I bought three of these and only required 1 disk 8-)