@fourmi, you're experiencing bug 261392 . Please try the following on a console/shell: sudo apt-get install --reinstall grub
It should bring you back the /usr/sbin/update-grub file. -- package linux-image-2.6.24-21-generic 2.6.24-21.43 failed to install/upgrade: subprocess post-installation script returned error exit status 1 https://bugs.launchpad.net/bugs/290113 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
