Hi! I run Firefox Nightly 8.0a1 (2011-07-08) on Arch Linux 64-bit with Gnome 3, and I'm having problem with crashes when I try to download files. This doesn't happen in the stable version of Firefox (5) which I also have installed on my computer. It's possible to open the download manager as long as there are no entries in the download list. But if I start a download of something - the download manager opens with an entry (the current download) and Firefox disappears. It instantaneously vanishes from both the monitor and the process list. I have tried to remove the downloads.sqlite file from my profile folder, but it didn't help. I have also tried to rename my whole profile folder to something else, and then created a new, empty profile folder with the name the first one had. When I then started Firefox, it recreated all the default content to the profile folder, so I ended up with a clean, unmodified installation. But it still crashed when I tried to download files. So it doesn't seem to be a problem with the extensions or similar. Suggestions?