Please have a look in /var/crash for any files that might be related to gtk-window-decorator or unity-window-decorator.
If there are any, please do this on the most recent one: ubuntu-bug <crashfilename>
Please have a look in /var/crash for any files that might be related to gtk-window- decorator or unity-window- decorator.
If there are any, please do this on the most recent one:
ubuntu-bug <crashfilename>