It crashes regardless the version of menu-cache and the error message in the "~/.cache/lxsession/LXDE/run.log" indicates a multi-threading bug:
pcmanfm [xcb] Unknown sequence number while processing queue [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called [xcb] Aborting, sorry about that. pcmanfm: xcb_io.c:259: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. ** Message: 19:58:49.267: app.vala:130: pcmanfm exit with this type of exit: 6 ** Message: 19:58:49.268: app.vala:148: Exit not normal, try to reload ** Message: 19:58:49.268: app.vala:76: Launching pcmanfm -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1782984 Title: PCManFM crashes frequently on Lubuntu 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pcmanfm/+bug/1782984/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
