Sorry, my problem seems to have resolved itself after a second reboot.
Thanks for the help.
--
nautilus crashes when TRASH, COMPUTER, or NETWORK clicked
https://bugs.launchpad.net/bugs/515336
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is a bug assign
I had the same issue Nautilus crash on opening Garbage Bin. I followed
suggested instructions for backports by Rodrigo Moya. Ubuntu One seems
to be working fine - it connects, but when I try to empty the Garbage
Bin, or delete a file I get a dialogue box of "File Operations" with a
progress bar and