If you don't want it to overwrite the MBR on update, then run 'sudo dpkg-reconfigure grub-pc', deselect the MBR, and select the partition where you want GRUB to be installed.
Does this resolve your problem? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/592749 Title: Ubuntu update kills boot loader -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs