Created attachment 7522 Error popup when panel disappears I run Xubuntu 16.04 LTS on at least four computers - my home desktop, my personal laptop, a VM on my work computer and my closest friend's laptop. On that last one (only), this happens frequently. The panel disappears and one (usually several - I've seen as many as 8) window pops up saying that no panel can be found and asking if we want to restart the panel. See the first and second attached images. When we click on "Execute", another panel pops up that says "Modifying the panel is not allowed." First of all, I don't know what that means, and the included text is no help (also see the third attached image). It talks about being in kiosk mode. This is a separate bug because in looking through the information available online, particularly the XFCE4 page about kiosk mode, it doesn't bother to say that that means. I searched the whole system and there are no config files on the entire system that have kiosk in their name or contents: 13:43 [admar@mar-HP8740w:/etc/xdg] $ find . -type f -exec grep -i kiosk /dev/null {} \; 13:44 [admar@mar-HP8740w:/etc/xdg] $ Thus, I have not found the setting that is causing this problem so I can reset it. Neither my friend nor I have set kiosk mode on her computer (I'm still not sure what the advantage to this is and thus would not use it). However, I also have not found a good solution for how to turn it off. For the record, I do not believe there should be ANY settings on MY computer that I can't control, particularly if there are restrictions on ways it behaves. This is less of a problem when there is clear user-oriented documentation - I have not found any here yet. In any case, the panel should not be disappearing. If it does, it should be able to recover without running me through obstructive BS like this. JMNHSO. I've been a software developer for over 38 years, 31 of them in UNIX/Linux. I've been using Linux systems at home continuously for over 10 years, in Xubuntu since 2021, and I still find myself amazed at all the new obstructive features that keep slipping in without fanfare - maybe that's just my problem. The panels are necessary for the smooth operation of a user system. Having this kind of obstructive behavior on such a necessary feature is not acceptable to me. I hope this can be fixed soon, or the documentation improved to make it clear what this is and how to use and disable it.
Created attachment 7523 Panel problem windows spread out so all are visible
Created attachment 7524 Kiosk mode panel, which lacks useful information.
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