Comment 2 for bug 1419976

See my screenshot.
Menu Applications and places not reachable (not even when using tab)
Ubuntu 15.04

I found it like this when I got home today.
uptime:
19:00:52 up 4 days, 22:50, 3 users, load average: 0.54, 0.54, 0.36
uname -r
3.19.0-15-generic
32 bit