Thanks for your bug report. Could you please try to obtain a backtrace by following the instructions on http://wiki.ubuntu.com/DebuggingProgramCrash. This will greatly aid us in tracking down your problem.
Also please install the package libglib2.0-0-dbg -- desktop-file-utils -q always segfaults https://launchpad.net/bugs/43977 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs