Description for event id from source cannot be found

Question

When I write a log into windows event log, I get the event below, what\'s the root cause of this message, and how can I fix it? Many Thanks

The descri

Answer 1

For me, the problem was that my target profile by accident got set to ".Net Framework 4 Client profile". When I rebuilt the service in question using the ".Net Framework 4", the problem went away!