Indeed your CurrentDmesg.txt shows a kernel crash and USB disk errors. It's not clear to me which is the root cause though.
I suggest the next step to take is to try using a different USB stick, or just a different USB port. ** Package changed: xorg (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1788166 Title: intrupt while coppying the files from bootabled usb To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788166/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp