I believe I have the same problem. I took the attached screenshot from the Crash Report dialog.
** Attachment added: "nvidia install problem Screenshot from 2014-10-29 22:18:39.png" https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1387001/+attachment/4248550/+files/nvidia%20install%20problem%20Screenshot%20from%202014-10-29%2022%3A18%3A39.png -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers-331 in Ubuntu. https://bugs.launchpad.net/bugs/1387001 Title: Automatic update crashes: nvidia-331-uvm 331.89-0ubuntu5: nvidia-331-uvm kernel module failed to build Status in “nvidia-graphics-drivers-331” package in Ubuntu: Confirmed Bug description: I have installed ubuntu 14.10 yesterday without problem. Switched on restricted video driver and it worked. Today the software update resulted in crash. ProblemType: Package DistroRelease: Ubuntu 14.10 Package: nvidia-331-uvm 331.89-0ubuntu5 ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4 Uname: Linux 3.16.0-23-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 DKMSKernelVersion: 3.16.0-24-generic Date: Wed Oct 29 07:48:17 2014 InstallationDate: Installed on 2014-10-28 (0 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) PackageVersion: 331.89-0ubuntu5 SourcePackage: nvidia-graphics-drivers-331 Title: nvidia-331-uvm 331.89-0ubuntu5: nvidia-331-uvm kernel module failed to build UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1387001/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp