When i'm trying to close the "About" window by pressing the "Ok" button, i get the following error: Gtk-CRITICAL **: file gtkwidget.c: line 1388 (gtk_widget_destroy): assertion TK_IS_WIDGET (widget)' failed. Mplayer version i'm using is 0.90pre4-3.0.4, gtk version is gtk+-1.2.10-15 and os is RH 7.3.