The application has failed to start because its side-by-side configuration is incorrect

Runtime Error:

“The application has failed to start because its side-by-side configuration is incorrect.”  Please note that this error was encountered on both Win7 and Vista client computers.

Solution:

http://www.microsoft.com/downloads/en/details.aspx?familyid=200B2FD9-AE1A-4A14-984D-389C36F85647&displaylang=en