Yes, this fixed it for me, too, but I couldn't get it to work, just on the explanation above. Here's a little more detail. Follow the instructions at:
https://forums.linuxmint.com/viewtopic.php?t=295649#p1644426 Worked on Firefox Quantum 69.0 (64-bit) on Ubuntu 18.04.3 LTS bionic. Now I can watch the Great Courses and other movies on Kanopy for free through my local library account. Yay! Only 6 hours after my first attempt, LOL. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777070 Title: firefox plugin libwidevinecdm.so crashes due to apparmor denial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1777070/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs