[R] An "update.packages()" problem?

[Uwe Ligges]

Kenneth Cabrera wrote:
> 
> I try to use "update.packages()" and it works fine, at least the
> packages download right.
> But when the packages are done it appears this message:
> 
> Error in zip.unpack(pkg, lib) : cannot open file
> C:/rw1051/library/MASS/libs/MASS.dll
> 
> What am Idoing wrong? (Yesterday it works fine!!!)

Probably you have loaded MASS with
library(MASS)
before and the DLL is locked by the OS.
Just restart R without loading MASS and try again.

Uwe Ligges



> platform i386-pc-mingw32
> arch     i386
> os       mingw32
> system   i386, mingw32
> status
> major    1
> minor    5.1
> year     2002
> month    06
> day      17
> language R
> 
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