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It may take several minutes for the command operation to be completed. Type the sfc/scannow command and press Enter. Type the following command, and then press Enter. If you are prompted for an administrator password or for a confirmation, type the password, or select Allow. To do this, open Start menu or Start screen, type Command Prompt, right-select Command Prompt, and then select Run as administrator. Please do the following and let us know your results:
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Running a elevated commend at the RUN prompt may help. My thoughts are, something in your system registry isn't working correctly. Let us try one more thing which will again take some dexterity and patience on your part. I apologize for the tardy response, its a long holiday weekend here in the US.
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