Here's a screenshot of mine, and I can provide any extra info needed. I am using UbuntuMATE 14.04 32-bit version and see this on several machines. Seems to be due to grub setup wanting to open a "terminal"-like window to ask for user input and not being able to??
** Attachment added: "Screenshot of hanging update" https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1351404/+attachment/4427742/+files/Kuvakaappaus-Ohjelmistop%C3%A4ivitykset.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1351404 Title: Installing updates freezes while setting up grub-pc To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1351404/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
