Nautilus Restart Locked up my Computer

[Colin Law]

On 4 May 2015 at 05:22,  <jimkvg at 3web.com> wrote:
> I installed Dropbox and then it required Nautilus "to be restarted to
> function properly."  When I clicked on "Nautilus Restart", my computer went
> locked up.  Keyboard won't work and mouse arrow won't move around.  I
> resorted to pushing the power button to shut the computer down.   It
> happened in the previous version of Ubuntu 14.10 and then again in 15.04.
> Is there a way to fix this problem?  Your tips or help'll be greatly
> appreciated.  Thank you.

Having restarted is it now ok?  If not what problem do you now see?

Colin