Rob Smith - Please read the actual workaround which will stop this permanently.... I have copied it from the bug description for your convenience... and modified it slightly to be easier to follow
**Workaround : Step 1 - Install compizconfig-settings-manager (sudo apt-get install compizconfig-settings-manager) Step 2 - Start ccsm (either from the commandline or by pushing Alt+F2 and typing ccsm) Step 3 - Click on "Workarounds" plugin in the "Utility" section Step 4 - Uncheck "Legacy Fullscreen Support". -- Firefox problems with desktop-effects https://bugs.launchpad.net/bugs/99740 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs