Dogs can get pinched nerves in the neck area which can be painful. The signs of a pinched nerve in the neck in dogs may not be obvious other than pain, but it's important to see the vet right away.
Information file (Generic). INF is a file extension for a plain text file used by Microsoft Windows for the installation of software and drivers. Also referred to as a Setup Information file. The INF file contains various sections that specify the files to be copied, changes to the registry, etc.
Finally cracked it! It's to do with the printer name in the driver's inf file. When I installed Windows 7 it automatically installed the MP600 driver but it called it  Canon Inkjet MP600 Printer . NOTE Inkjet. When you unzip the Canon driver and look in its driver folder the printer inf file is called MP600PR.inf.