So I wanted to install tremulous 1.2 on Ubuntu, after I ran and finished, I tried launching it but nothing would happen. I would see this black window pop up for just a split second then go away. So I tried launching 1.1 from a shortcut I had and it did the same thing. I uninstalled 1.2 and tried 1.1 but it still wouldn't work. I even ran the installer for 1.1 again but that didn't fix it. Where do I uninstall 1.1 and how do you correctly install 1.2?