[R] Problem with tcl/tk and Rcmdr - urgent help required

[beniamino]

Hello everyone,

i have been searching the whole day, trying ANY solution offered by the
internet and before headbanging against the wall would like to try asking
for your help.

As many others, i am haveing problems loading the Rcmdr package with Macbook
running Tiger 10.4.11. X11 version updated to the last one after having
manually installed.

I have also installed (obviously) the Rcmdr package with all dependencies.

However (damn) i keep having the following answer to the library (rcmdr)
command:

> library (Rcmdr)
Carico il pacchetto richiesto: tcltk
Loading Tcl/Tk interface ... Error in dyn.load(file, DLLpath = DLLpath, ...)
: 
  impossibile caricare libreria condivisa
'/Library/Frameworks/R.framework/Versions/2.8/Resources/library/tcltk/libs/i386/tcltk.so':
 
dlopen(/Library/Frameworks/R.framework/Versions/2.8/Resources/library/tcltk/libs/i386/tcltk.so,
10): Library not loaded: /usr/local/lib/libtcl8.5.dylib
  Referenced from:
/Library/Frameworks/R.framework/Versions/2.8/Resources/library/tcltk/libs/i386/tcltk.so
  Reason: image not found
Error : .onLoad non riuscito in 'loadNamespace' per tcltk
Errore: pacchetto 'tcltk' non caricato

The language is in italian but it basically says it cannot load shared
library.

x11 is running, the file tcltk.so phisically exists (i have checked myself)
and both R and X11 are in their last updated version.

I have also tried restarting after updating X11. Can someone try to help me?
i have recently swithced to mac and am having an important exam soon.

Thanks to anyone.

Ben
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