You have to run Compiz Confusion Settings Manager. You go to Ubuntu Unity Plugin, then to Switcher tab and you check "Switcher strictly changes between applications". Problem solved
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/998285 Title: Tapping alt-tab switches between windows of the same application sometimes To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/998285/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs