Dear All,

I run R on a windows 7 machine and it has been worked very well. I installed Graphvis 2.20.3 and Rgraphviz.
recently, however, I cannot load the Rgraphviz package and error message popped up
The message shown on the pop up window with the title: R Consol: Rgui.exe - Sysytem error
  The program can't start because MSVCR80.dll is missing from your computer.
  Try reinstalling the program to fix this problem.

When I searched the msvcr80.dll, it appeared in sub folds of Windows/winsxs/, which
is said the correct location by:
Martyn Lovell
Development Lead
Visual C++ Libraries
martynl.TakeThisOut@<mailto:martynl.TakeThisOut@microsoft.com>microsoft<http://forums.wugnet.com/msvcr80-dll-missing-NET-ftopict445120.html#>.com<mailto:martynl.TakeThisOut@microsoft.com>

I wonder why the .dll could not be called?
Could anyone provide a solution for the problem?

Thanks

Yongxiang





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