Thanks. Yes indeed package nvidia-graphics-drivers-340 for Ubuntu 14.04 got updated on 4th November so let's focus on that.
As a possible workaround you can download the previous version of that driver before the November 4th update here: https://launchpad.net/~ubuntu-security/+archive/ubuntu/ppa/+build/8305883 Now assigning the bug to the correct project (I think). ** Package changed: nvidia-graphics-drivers-331 (Ubuntu) => nvidia- graphics-drivers-340 (Ubuntu) ** No longer affects: freecad (Ubuntu) ** No longer affects: nvidia-graphics-drivers-367 (Ubuntu) ** No longer affects: scilab (Ubuntu) ** No longer affects: xorg-server (Ubuntu) ** Changed in: nvidia-graphics-drivers-340 (Ubuntu) Assignee: (unassigned) => Alberto Milone (albertomilone) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1639371 Title: OpenGL Graphics broken on November 4th upgrades To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-340/+bug/1639371/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs