An I/O operation initiated by the Registry failed unrecoverably

If you receive multiples of the below error within your event log, the fix is to restart the server.

Source: Application Popup
Category: STATUS_WAIT_0
Type: Error
Event ID: 333
Description: An I/O operation initiated by the Registry failed unrecoverably.
The Registry could not read in, or write out, or flush, one of the files that contain the system’s image of the Registry.