Hi, I'm cleaning up older bugs and I'm sorry that this seems to have slipped through. But as of today all these versions are unsupported - so I'd hope you just upgraded further and have it working.
If anything I'd point out from your log: unable to make backup link of './boot/xen-4.5-armhf' before installing new version: Operation not permitted If there is anything set up in a special way that is a reason ** Changed in: xen (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1550920 Title: package xen-hypervisor-4.5-armhf (not installed) failed to install/upgrade: unable to make backup link of './boot/xen-4.5-armhf' before installing new version: Operation not permitted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1550920/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs