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I had a fresh groovy install running (QA-test on first boot) and confirmed the issue on that box, so it impacts groovy too. I see no evidence of a crash (step 5); no crash dump in /var/crash/, lxqt-panel still operates normally, however htop shows (`ps -elf` output) 0 R guiverc 1114 1039 9 80 0 - 347758 - 15:48 ? 00:03:56 /usr/bin/pcmanfm-qt --desktop --profile=lxqt hovers around 100%, desktop preferences window is still on my display and can be dragged around, but it's contents are whatever window last covered it, and it's unusable. I can use `firefox` to enter this detail correctly, qterminal & other apps start & operate fine from menu (but NOT pcmanfm-qt; it remains at ~100% cpu looping..). A bug yes, but should I have suggested pcmanfm-qt? I'm not sure. ** Tags added: groovy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878336 Title: the pcmanfm-qt crashes on an inexistant image background To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lubuntu-default-settings/+bug/1878336/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs