MSVCR80.dll is a Microsoft Visual Studio 2005 run-time library.  If you're
using VS2005 Pro, it must be on your system.  I'm not sure how installing
VC++ 2008 EE may affect it - there may be a different version
(MSVCR90.dll?), or you may be getting version problems, etc.  This is a
common problem on Windows systems, and sometimes difficult to resolve.  If
you've tried to rebuild with a fresh install of VS2005 Pro and receive the
same error, I would suspect that there is a 2 layer dependency problem -
your build is dependent on a dll that is dependent upon this dll.

I would suggest a complete uninstall and reinstall of your Visual Studio
environment.  The uninstall _should_ help clean up remnants that might be
causing problems.

One tool that is helpful is Dependency Walker -
http://www.dependencywalker.com/ - it can help you see what is dependent
upon what.

This page might also help - http://www.dependencywalker.com/

If/when you fix it, please post back what you did so that others can
benefit.

-Kirk


On Fri, Jun 4, 2010 at 4:38 PM, Kyaw Myint <[email protected]> wrote:

> Hi all,
> I am recently have this error when trying to run a program on openbabel.
>
> "This application has failed to start because MSVCR80.dll was not found.
> Re-installing the application may fix this problem."
>
> I don't know how to solve this problem although I've been trying to find
> solution.
>
> I am using VS2005 Professional Edition and encountered this problem. Then I
> tried using Visual C++ 2008 Express Edition, but I got the same error.
>
> May I ask if anyone has encountered and solved this problem?
>
> Thanks!
> Rob
>
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