I filed the bug report in year 2016. At this point, in year 2023, I'm
not able to help. Sorry.

On 2023-02-08 15:48, Mark Hindley wrote:
> Control: tags -1 moreinfo
>
> Boruch.
>
> Are you using Wayland? If so, I think this is the same as
>
> https://bugs.launchpad.net/ubuntu/+source/gui-ufw/+bug/1592380
>
> The fix[1] is to run
>
> xhost si:localuser:root
>
> Mark
>
> [1] https://bugs.launchpad.net/ubuntu/+source/gui-ufw/+bug/1592380/comments/6
>

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