Question : .Net Runtime Error.

The description for Event ID ( 0 ) in Source ( .NET Runtime ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: Unable to open shim database version registry key - v2.0.50727.00000.

Keep getting this error not sure what it is.

Answer : .Net Runtime Error.

Take a look at this articlethat resolve this error related to registry key permissions.
http://support.microsoft.com/kb/918642
Post any other questions after taking a look at it.