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Editorial Team
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Asked: 2026-06-14T23:53:34+00:00

I am developing a package using Rcpp and another third party C++ library. When

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I am developing a package using Rcpp and another third party C++ library. When I tried to install the package, I got

Error in inDL(x, as.logical(local), as.logical(now), ...) : 
  unable to load shared object 'C:/Users/Admin/Documents/R/win-library/2.15/packagename/libs/i386/package.dll':
   LoadLibrary failure:  The specified module could not be found.

In 32-bit Windows OS, following an advice from my colleague, I fixed the problem by adding location of following dlls from MingW to system path.

libgcc_s_dw2-1.dll

But 64-bit Windows, I get the same error even with the dll although I am using 32-bit R.

So my question:

Is there any way to know why The specified module could not be found error occurs? I mean I would like to know which module is missing. Maybe verbose option some where?

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1 Answer

  1. Editorial Team

    There is not an easy way in R to get more information from the error I mentioned. But I found free software to find which dependency the dill is missing by following web site: http://www.dependencywalker.com/

    Using the software I was able to find following dlls are needed to be in system path.

    GPSVC.dll
IESHIMS.dll
SYSNIFY.dll
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