Hi, The bug in comctl32 that makes treeviews get messed up on collapsing nodes... ROS: http://www.reactos.org/bugzilla/show_bug.cgi?id=2843 WINE: http://bugs.winehq.org/show_bug.cgi?id=10544 Could someone having wine sources / GIT, please create a patch and send it to the wine-patches mailing list. Thanks, Timo