It appears that the error message: audacity: symbol lookup error: audacity: undefined symbol: Pa_GetStreamHostApiType
was caused by a stale libportaudio file in /usr/local/lib. Fix: rm -rf /usr/local/lib/libportaudio* ldconfig -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1330345 Title: Audacity cannot start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/audacity/+bug/1330345/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs