The dialogue box does stay open… there’s something else going on here… some extra information might help here (like the inxi output mentioned below).
It’s also possible for dialog boxes to disappear behind other windows.
One way to check this out:
Create a new USER and then try again with that USER. Then you can confidently say your SYSTEM is broken.
So anyway, welcome to the forum!
As a new forum user, please take some time to familiarise yourself with Forum requirements; in particular, the many ways to use the forum to your benefit:
The Update Announcements should be checked frequently for important update related information.
These announcements contain a Known Issues and Solutions section and should generally be checked before posting a request for support.
Meanwhile, posting some information could prove useful:
inxi -zv8 | grep -vE 'MAC|UUID|IP'
Also:
journalctl -p3 -xb --no-hostname
Could come up with something interesting…
Try to format (from the top icons when editing, click the PLUS icon and ‘hide’
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