Re: Multiple issues installing Canon MP620 on x64.
Windows detected a new device attached to your computer, but could
not find the driver software it needs to make the device usable. Each
device manufacturer typically includes driver software of a CD that
comes with the device, or as a download from its website. The hardware
ID of your device is USBPRINT\CanonMP620_series91BA.
Problem Event Name: PnPDriverNotFound
Hardware Id: USBPRINT\CanonMP620_series91BA
OS Version: 6.0.6001.2.3.0.256.1
Locale ID: 1033