I had that with a program and fixed it by installing a C++ patch.
Try searching the KB for the event code
http://support.microsoft.com
I have also seen malware cause that error.
"Wonderman" <> wrote in message
news:...
>I have a CAD program that I always use and suddenly I'm getting a message -
>" " The application has failed to start because its side by side config. is
>incorrect... see event
> log. " Very distressing as I need to use it very soon. I havent got
> any idea how to approach this. Google search yields a lot of MSXML stuff
> and Visual C++. I'm a little lost and would really appreciate a direction
> to go in. Thanks.