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

Liaw, Andy andy_liaw at merck.com
Mon Jun 24 18:34:25 CEST 2002


Can I vote to have this added to rw-FAQ?  A colleague and I both ran into
this problem recently.  It makes sense when you realized what happened, but
the cause was not immediately obvious given the symptoms.

Regards,
Andy

> -----Original Message-----
> From: ripley at stats.ox.ac.uk [mailto:ripley at stats.ox.ac.uk]
> Sent: Monday, June 24, 2002 10:02 AM
> To: Kenneth Cabrera
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] An "update.packages()" problem?
> 
> 
> On Mon, 24 Jun 2002, 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!!!)
> 
> You have MASS loaded: Windows will not allow you to update 
> packages which
> are in use (at least, those containing DLLs).  Try a vanilla session
> (with --vanilla, for example) and update from there.
> 
> >
> > 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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> -- 
> 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)
> 1 South Parks Road,                     +44 1865 272860 (secr)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
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