Running R 2.4.1 in batch mode on a Windows Server 2003 machine occasionally gives me the following error in the ".Rout" file: Loading required package: tcltk Loading Tcl/Tk interface ... Unable to register TclNotifier window class This application has requested the Runtime to terminate it in an unusual way. Please contact the application's support team for more information. Does anyone have any hints on how to debug this or what the possible cause might be? Is the Tcl/Tk interface mandatory, or can I somehow turn it off? I use this batch to run overnight jobs where reliability is important. Thanks, Roger Roger J. Bos, CFA Rothschild Asset Management 1251 Avenue of the Americas New York, NY 10020 (212) 403-5471 ********************************************************************** * This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No right to confidential or privileged treatment of this message is waived or lost by any error in transmission. If you have received this message in error, please immediately notify the sender by e-mail, delete the message and all copies from your system and destroy any hard copies. You must not, directly or indirectly, use, disclose, distribute, print or copy any part of this message if you are not the intended recipient.