R 2.1.0 for Windows installation error? atanh not in R.dll?

Could someone please tell me what I did wrong to create this message or what I should do to correct this problem?

I downloaded 2.1.0 Windows binary and installed into C:/R/rw2010, using the installer. I ran md5check.exe in C:/R/rw2010/bin/ and got "No errors."

The problem is this:

When I start up Rgui.exe from its shortcut (target= C:\R\rw2010\bin\Rgui.exe --save -sdi, Start in C:\R\rw2010), I get a message box with:

R Console: Rgui.exe - Entry Point Not Found
The procedure entry point atanh could not be located in the dynamic link library R.dll.

and the console shows:

Error in dyn.load(x, as.logical(local), as.logical(now)) : 
        unable to load shared library 'C:/R/rw2001pat/library/stats/libs/stats.dll':
^^^^^^

So may I guess that you have an R session of R-2.0.1 patched still 
*running* that uses stats.dll, and since Windows caches this file, it 
doesn't load the correct one when trying to access the one for R-2.1.0.

If not: Which version of Windows is this, and is the message above the 
right one you got from R-2.1.0? Why do you have installed it in 
rw2001pat, then?
  LoadLibrary failure:  The specified procedure could not be found.
During startup - Warning message:
package stats in options("defaultPackages") was not found

I also tried 2.1.0 patched and got the same results.
Of course, I cannot do much without the stats package.

stats.dll does exist in that location:
davidr at rho-trader06 /cygdrive/c/R/rw2010/library/stats/libs
R for Windows is *not* supposed to run in a cygwin environment.

Uwe Ligges
$ ls -lA
total 207
-rwx------+   1 davidr   ????????   211456 Apr 18 08:19 stats.dll

version info:
platform i386-pc-mingw32
arch     i386           
os       mingw32        
system   i386, mingw32  
status                  
major    2              
minor    1.0            
year     2005           
month    04             
day      18             
language R              

I do have several other versions of R installed in other subdirectories under C:/R/. I have searched the archives to no avail.

Thanks in advance for any assistance.

David L. Reiner

Rho Trading
440 S. LaSalle St -- Suite 620
Chicago  IL  60605

312-362-4963 (voice)
312-362-4941 (fax)

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R 2.1.0 for Windows installation error? atanh not in R.dll?

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