Glauco: the NVIDIA installer installed a few libraries which caused your problem.
please follow these steps so as to uninstall the driver. 1) stop the Xserver: sudo /etc/init.d/gdm stop or (if you use Kubuntu): sudo /etc/init.d/kdm stop 2) Uninstall the NVIDIA driver by typing: cd path_to_the_NVIDIA_installer sudo sh name_of_the_NVIDIA_installer --uninstall then set the driver to "nv" in the Device section of your /etc/X11/xorg.conf sudo nano -w /etc/X11/xorg.conf 3) Restart the Xserver: sudo /etc/init.d/gdm start or (if you use Kubuntu): sudo /etc/init.d/kdm start and try to upgrade through Update Manager again: -- dist-upgrade failure (edgy->feisty) - SystemError from cache.commit(): installArchives() failed - cannot create `./usr/lib/libGL.so.1.2' (manual nvidia driver install) https://bugs.launchpad.net/bugs/107464 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