I solved the problem by reinstalling Grub on the same hard disk on which it was installed before.
grub-install /dev/sdX (where sdX is the hard drive on which grub was installed) and then update-grub -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2065476 Title: During boot, after grub selection screen, it appears "error: sparse file not allowed - Aborted. Press any key to exit." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2065476/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
