Can you supply a ut log after it happens? I just checked out server5 and didn't find any problem. It may be that logging is turned on but I guess if you can't open console you won't be able to see.
XConsole.ini might show some clues but if you want to post it make sure to delete all passes.
XConsole.ini might show some clues but if you want to post it make sure to delete all passes.