I want to upgrade my Win 7 Pro (64bit) to Win 10 but unfortinately I had previously installed Air Display an app which allows the screen to be extended to an iPad. I have uninstalled the application but it has left entries in the Registry that I cannot remove and seems to have taken control of the windows video drivers (WDDM V1.1) I have tried to remove as many of the remnants as I can but still...
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