recordmydesktop is an X app so won't work properly in your Wayland session (when I tried it it just records the mouse cursor on blackness). If you want to use than then you will need to choose the "Ubuntu" login option that is not Wayland.
As for the crashes, those are being tracked in existing bugs that have stack traces: https://errors.ubuntu.com/?package=recordmydesktop&period=week It appears the only crash affecting 17.10 so far is bug 673171. ** Changed in: gnome-shell (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1706813 Title: *julyshakedown* gnome-shell RecordMyDesktop fails to open. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1706813/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs