Distribution upgrade froze

hey im using ubuntu 14.10 and ive tried to upgrade to 15.04 and the up grader has frozon while looking for obsolete software when i press the windows key it shows their is another window but when i click it it doent show up

Try to Alt+Tab to this other window.

when i do that it just shows the distribution upgrade and it doesnt show the other window ill try again when i restart my pc

Good idea. Was going to suggest that be sure to backup first though.

im pretty sure you posted that first but then you changed it and i was laughing quite a bit when i remembered that :D

I did but I thought it would look trollish so I put in a different piece of advice :)

Did the 'turn it off and on again' work then?

Since 15.04 is using a new INI system (systemd) It may not be a bad idea for a fresh install. The changes are pretty big

This is a good point.

When I upgraded to 15.04 from 14.04 on my laptop (by mistake...) it wouldn't boot because of this, as @Taco_Bell probably knows as I think he was there when I did it (on Mumble, not IRL obviously).

If you can't get it running you may want to write off your losses, backup your data and fresh install @ninja85a.

well somereason my dongle woldnt work when i logged back in still in 14.10 i think so i might just find out if my dongle can work with 15.04 and deleate that partition and dl the new one