Ok, guys, I've found the solution: You have to reinstall grup-common and grub-pc packages. Hope that'll help you.
-- grub2 file not found error https://bugs.launchpad.net/bugs/355359 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