Blank Screen after Installing Windows 8.1?

I upgraded Windows 8 to 8.1 earlier today, and the process finished without any trouble. However, a few minutes after reloading, Windows forced me to log off. When I logged back on, there was only a blank screen with a cursor. I activated task manager and a warning appeared stating,... show more I upgraded Windows 8 to 8.1 earlier today, and the process finished without any trouble. However, a few minutes after reloading, Windows forced me to log off. When I logged back on, there was only a blank screen with a cursor. I activated task manager and a warning appeared stating, "?CreateRect@Value@DirectUI@@SAPEAV12@HH... could not be located in the dynamic link library C:\Windows\System32\Windows.UI.Immersive... Same problem when i logged in with safe mode. Any Solutions ?
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