Matlab uses Java for its GUI, which has issues in WMs like xmonad.  Check the Java workarounds on our FAQ.<br><br>Cheers,<br>Spencer Janssen<br><br><span style="font-family:Prelude, Verdana, san-serif;">PS: sorry if my phone's email client is mangling these replies.<br><br></span><span id="signature"></span><span style="color:navy; font-family:Prelude, Verdana, san-serif; "><hr align="left" style="width:75%"><b>From:</b> Yuliang Wang &lt;jadelightking@gmail.com><br><b>Date:</b> Jan 6, 2010 1:55 PM<br><b>Subject:</b> [xmonad] windows not active when using ssh -X<br><b>To:</b> xmonad@haskell.org<br><br></span>I use ssh -X to our department server and start MATLAB. MATLAB started but the window is blank, only the menu is active. In gnome there is no such problem.<br clear="all"><br>-- <br>Sincerely,<br>Yuliang Wang<br>