Created attachment 112760 [details] Manual saved backtrace and "Discover GUI" messages in .xsession-errors Discover can not start. Nor system trail update works. Installing debug symbols (as expected) fails, so automated crash report can't be send. The attached file contains the saved backtrace (while trying to update) and at the and "Discover GUI" related messages from ~/.xession-errors that seem to be useful.
Platform is x86 64 bit Linux on vbox virtual machine on Windows 10
*** This bug has been marked as a duplicate of bug 394543 ***