The error code 12 occurs when 2 devices installed on your PC are accidentally assigned the same I/O (input/output) ports or the same direct memory access.
Fix Error Code 12
The Code 12 error can be fixed by uninstalling the PCI drivers on your PC. The PCI drivers are associated with the motherboard. An error code is an indicator to a user of a piece of hardware or software that an error has occurred and an identifier regarding the specific error responsible for the problem. The error code 12 occurs when 2 devices installed on your PC are accidentally assigned the same I/O (input/output) ports or the same direct memory access.
