Dial-up Error 1717 – The interface is unknown
Posted In: Win2000 / XP
fix: Enable Protected Storage Service
or related to Event Viewer, check KB from Microsoft.
279754 Error Message: Could Not Start the Event Log Service
http://support.microsoft.com/?id=279754
172156 How to Delete Corrupt Event Viewer Log Files
http://support.microsoft.com/?id=172156