This will be a global issue due to Windows Update from Monday. Solution: 1. Go to Uninstall a Program on Control Panel 2. From the options on the left, select “View Installed Updates”. 3. Search and select the update KB2984972 (See image), right click and choose Uninstall. 4. Once the process is complete, reboot the server, error related to recent update – http://support.microsoft.com/kb/2984972.  There are two updates:  the original KB2984972 and KB2685939.