An other comment: the 'backport' packages archive often introduce hidden conflicts ('Software & Updates' -> Updates -> Unsupported Updates)
Thats why i never activate that repo. If yours is activated, then test without it (deactivate -> update -> downgrade -> close/open session) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1702456 Title: Chromium cannot found pepperflash plugin To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1702456/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs