Thank you for taking the time to report this bug and helping to make Ubuntu better.
I've taken the liberty of reassigning this bug report to xpra. The problem might be the missing package, but it also might be which packages xpra requests. Could you please open a termina and run the following commandl: apport-collect 1889946 This will add additional meta information which makes it easier to pin- point the issue here, most importantly package version numbers and which Ubuntu release you are running. When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs. ** Package changed: ffmpeg (Ubuntu) => xpra (Ubuntu) ** Changed in: xpra (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1889946 Title: libavcodec57 is not available even when I try to intall it in sudo To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xpra/+bug/1889946/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs