It was the Panda antivirus installed in the main corporate server of my company. This antivirus program was corrupting the zip files containing the packages for Windows systems. The problem was solved by including CRAN repositories as trustable webpages.
Best, Rubén ____________________________________________________________________________________ Dr. Rubén Roa-Ureta AZTI - Tecnalia / Marine Research Unit Txatxarramendi Ugartea z/g 48395 Sukarrieta (Bizkaia) SPAIN > -----Mensaje original----- > De: Uwe Ligges [mailto:lig...@statistik.tu-dortmund.de] > Enviado el: lunes, 21 de junio de 2010 16:52 > Para: Rubén Roa > CC: r-help@r-project.org > Asunto: Re: [R] Problem with package installation > > No idea, do you have the right repository seledcted? Is there > nay proxy in your network that may change the download data > for some reason? I have not observed that before and I > haven't seen similar reports before. > > Best, > Uwe Ligges > > On 21.06.2010 11:03, Rubén Roa wrote: > > > > Dear ComRades, > > > > I am having the "wrong MD5 checksums" error with every > package I try to install. > > It happened with R 2.11.0, then I updated to R 2.11.1, same thing. > > > > sessionInfo() > > R version 2.11.1 (2010-05-31) > > i386-pc-mingw32 > > > > locale: > > [1] LC_COLLATE=Spanish_Spain.1252 > LC_CTYPE=Spanish_Spain.1252 LC_MONETARY=Spanish_Spain.1252 > > [4] LC_NUMERIC=C LC_TIME=Spanish_Spain.1252 > > > > attached base packages: > > [1] stats graphics grDevices utils datasets methods base > > > > loaded via a namespace (and not attached): > > [1] tools_2.11.1 > > > > I triend changing the mirror, to no avail. Then I tried downloading > > zip files and installing from local zips but again I got the "wrong > > MD5 checksums" error > > > > utils:::menuInstallLocal() > > files R/MASS.rdb, data/Rdata.rdb, help/MASS.rdb have the wrong MD5 > > checksums > > > > In some cases, another error message pointed to a namespace > problem, for example: > > > > library(Formula) > > Error in get(Info[i, 1], envir = env) : > > internal error -3 in R_decompress1 > > Error: package/namespace load failed for 'Formula' > > > > Any hints? > > > > > ______________________________________________________________________ > > ______________ > > > > Dr. Rubén Roa-Ureta > > AZTI - Tecnalia / Marine Research Unit Txatxarramendi Ugartea z/g > > 48395 Sukarrieta (Bizkaia) > > SPAIN > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
