Thunderbird <wineforum-user@xxxxxxxxxx> wrote about Re: DarWine & OpenGL > >I'm seeing the same issue with the Display variable. In my case I'm just launching Wine from the menu and let e.g. winehelper launch programs. The app I'm working on still crashes frequently on the Mac and when I try to restart the (it shows a nice backtrace in the error) I get the mentioned error. Quitting winehelper and restarting the Xserver fixes the issues. > Does the X server crash as well? This may be why wineserver cannot start the program a second time. Thus you have to restart wineserver to pick up the new DISPLAY location. Again, the change in location is a security feature. James McKenzie