Dear all,

I encountered a problem on starting and using the R v  2.7.2 installation on
my PC running Windows Vista and would appreciate your help.

When R was first started, the Rgui returned several error messages:

Error in structure(.Internal(Sys.getenv(as.character(x),
as.character(unset)$   unsupported conversion
Error in file.exists(name) : unsupported conversion in 'filenameToWchar'

In addition, a dialog box called 'Information' popped up with the following
message:

Fatal error: unable to restore saved data in .RData

On clicking 'OK', R closed immediately and the same thing occurs on
restarting R.

After checking for previous related messages online, I followed one of the
recommendations from before and appended --no-restore-data to the R shorcut
target line.  After that, R could start without the 'fatal error'.  However,
some functions such as 'help' and 'setwd' do not work:

e.g. >help()
Error: could not find function "help"

> setwd("DirName")
Error in setwd("DirName") : unsupported conversion in 'filenameToWchar'
I then typed 'Sys.getlocale()' and got this:

> Sys.getlocale()
[1] "LC_COLLATE=Chinese (Traditional)_Hong Kong S.A.R..950;LC_CTYPE=Chinese
(Traditional)_Hong Kong S.A.R..950;LC_MONETARY=Chinese (Traditional)_Hong
Kong S.A.R..950;LC_NUMERIC=C;LC_TIME=Chinese (Traditional)_Hong Kong
S.A.R..950"
Setting LC_ALL=en in the shortcut target does not appear to work in this
case as I got

During startup - Warning message:
Setting LC_CTYPE=en failed

Furthermore, I tried the patched version of R 2.7.2 and the same problem
occurs.

I would be very grateful if anybody could help.  Many thx.

Thomas

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