Correction for my previous post, Based on https://answers.launchpad.net/grub-customizer/+faq/1355
The *proxy* scripts were related with grub-customizer, I installed grub- customizer before upgrading to natty, and seems the customizer didn't cope well with release upgrade :D -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/758887 Title: Following kernel upgrade to 2.6.38-8.42, grub2 generates duplicate entries in the menu -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs