[R-br] Segfault ao carregar Rcmdr

[Pedro Paulo M Chrispim]

Caros,

tentei carregar o Rcmdr num R 2.13.2, instalado em um Mac Snow Leopard.
e tive essa mensagem de erro.

fiquei perdido.

muito iniciante, confesso.
Alguém pode dar uma luz?

ab,
Pp
===================


Carregando pacotes exigidos: tcltk
Carregando a interface Tcl/Tk ... > 

 *** caught segfault ***
address 0x0, cause 'unknown'

Traceback:
 1: sys.nframe()
 2: dynGet("__NameSpacesLoading__", NULL)
 3: loadNamespace(package, c(which.lib.loc, lib.loc), keep.source = keep.source)
 4: doTryCatch(return(expr), name, parentenv, handler)
 5: tryCatchOne(expr, names, parentenv, handlers[[1L]])
 6: tryCatchList(expr, classes, parentenv, handlers)
 7: tryCatch(expr, error = function(e) {    call <- conditionCall(e)    if (!is.null(call)) {        if (identical(call[[1L]], quote(doTryCatch)))             call <- sys.call(-4L)        dcall <- deparse(call)[1L]        prefix <- paste("Error in", dcall, ": ")        LONG <- 75L        msg <- conditionMessage(e)        sm <- strsplit(msg, "\n")[[1L]]        w <- 14L + nchar(dcall, type = "w") + nchar(sm[1L], type = "w")        if (is.na(w))             w <- 14L + nchar(dcall, type = "b") + nchar(sm[1L],                 type = "b")        if (w > LONG)             prefix <- paste(prefix, "\n  ", sep = "")    }    else prefix <- "Error : "    msg <- paste(prefix, conditionMessage(e), "\n", sep = "")    .Internal(seterrmessage(msg[1L]))    if (!silent && identical(getOption("show.error.messages"),         TRUE)) {        cat(msg, file = stderr())        .Internal(printDeferredWarnings())    }    invisible(structure(msg, class = "try-error"))})
 8: try({    ns <- loadNamespace(package, c(which.lib.loc, lib.loc), keep.source = keep.source)    dataPath <- file.path(which.lib.loc, package, "data")    env <- attachNamespace(ns, pos = pos, dataPath = dataPath,         deps)})
 9: library(tcltk)

Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace