Video card not recognized since this morning's windows 8 update

I installed around 8 components in this morning's windows update, which included a graphics adapter WDDM1.1 and 1.2 for my specific video card. Games won't launch and DVD playback has the audio and video out of sync. Attempting to update the video drivers,

and the manufacturers nVidia installer say's that it cannot detect that I have an nVidia video card installed! Exact error message: This graphics driver could not find compatible graphics hardware.

I've cleared the windows update cache and redownloaded the graphics adapter a couple of times. Each time, after "successful install" no joy, AND when I rescan windows update the same graphics adapter comes up as an important update. Because of this I cannot

uninstall the graphics adapter.

I've used CCleaner to fix any problems with the registry - no joy

I've used drivercleaner.net to remove all nVidia files and registry entries then tried to install the video driver package from the video card manufacturer's website - no joy - this is where I found out that the system doesn't know what video card I have

physically installed.

I'm at a loss as to how to proceed from here. Any help is greately appreciated!

PS the video card is the Galaxy GTX 660Ti 3Gb (very nice card :) My Windows Experience score plummeted from 7.9 to 4.0 because of the two video card tests!

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