I think strace could be used here to get a clue of how Chrome is selected. $ strace -f -e trace=clone,execve apport-bug apport
I got trace like this: ...... [pid 9729] execve("/usr/bin/gnome-open", ["gnome-open", "https://bugs.launchpad.net/ubunt"...], [/* 70 vars */]Process 9725 suspended) = 0 ...... [pid 9732] execve("/usr/bin/firefox", ["firefox", "https://bugs.launchpad.net/ubunt"...], [/* 73 vars */]) = 0 ...... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/875812 Title: apport-bug starts Chrome instead of Firefox To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/875812/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs