msvcr80.dll is missing

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Please ask about Rgraphviz (and particularly binary distributions of 
it) on the list of those providing it (which is not R!).

And do use a sensible subject line (which really does need to include 
'Rgraphviz'), as the posting guide asked you to.

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 at microsoft.com>microsoft<http://forums.wugnet.com/msvcr80-dll-missing-NET-ftopict445120.html#>.com<mailto:martynl.TakeThisOut at microsoft.com>

I wonder why the .dll could not be called?
Could anyone provide a solution for the problem?
Because if you use Side-by-side ('sxs') installs, you need to add a 
manifest to access them.

My guess is that you have the wrong install of Graphviz (sic), but you 
have written the the wrong list *and* blatently ignored our posting 
guide, so leaving us to make stabs in the dark.

I certainly have Rgraphviz running correctly on R 2.13.0 on Windows 7 
(both architectures, but you failed to specify which you are using).
Thanks

Yongxiang

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Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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