Same happens on Ubuntu 20.04. I tried marking the executable as Trusted, and double checked it has the exec flag.
Saving the settings does not show any error, so no matter the background cause, it's still a bug. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1827436 Title: In Lubuntu 19.04, open a file with custom command does not save the settings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pcmanfm-qt/+bug/1827436/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs