This is kind of funny. I decided to let my machine upgrade from Intrepid Ibex (8.10) to Jaunty Jackalope (9.04) while I was in meetings all morning on Thursday. Great idea, I thought - let my machine toil away while I was away. And I was right (for the most part). I came back to a fresh, shiny new OS with better support for my machine than previously. At work, it was an awesome new user experience with all kinds of improvements over Intrepid and since I've only been using Intrepid for a couple of weeks, THOUSANDS of improvements over my previous installation of Windows XP. However, I had driven to work yesterday and hadn't had the normal 2 hours of bus riding to test out all the multimedia stuff. Today I did and ran into a serious problem. No support for playing back mkv, avi, mp4 or other video formats in Totem or VLC! When I went to launch the video, the program would crash with something similar to this error (reposted from another user with the same issue since I...