Please describe as succinctly as possible: - What happened. - What you thought should have happened. - Precisely what you were doing at the time. I installed cygwin on MS XP, and installed cygwin version of Xemacs 21.4.13. But I can not compile java. Every time issuing java compile cmd, the cmd bar would be freezing and the whole emacs window would fall into pieces. Mouse and keyboard won't work. Only task manager can kill the xemacs. By the way, i launch emacs from cygwin. Interesting enough, when I do the same on MS NT, two console windows (cygwin) would be spawn, always happens in the first time. The console windows would be spawn on top of the xemcas windows. But emacs won't crash. The second time compiling, it would not happen, and everything is ok. I will try to install native xemacs version and see if I have the same compiling problem on XP. This sounds like the problem mentioned in: Q6.3.3: XEmacs 21.1 on Windows used to spawn an ugly console window on every startup. Has that been fixed? Any one ever seen this problem?? Please advice, vivien