Public bug reported:

On Kubuntu 25.10 Beta, opening System Settings → Driver Management does
nothing. After several minutes, an error message dialog window opens,
stating "su hat einen Fehler gemeldet" (see attached screenshot)

Steps to reproduce:
1. Make sure Kubuntu 25.10 Beta is up-to-date.
2. Open System Settings, navigate to Driver Management.
3. Wait.

Expected result:
1. The "Additional Drivers" dialog (software-properties-qt) opens and shows 
available drivers.

Actual result:
1. The module fails to start software-properties-qt. No driver management 
dialog appears.

Package versions:
- software-properties-qt version: 0.114

System info:
- Kubuntu 25.10 Beta (upgraded from 25.04)
- KDE Plasma Version: 6.4.5
- KDE Frameworks Version: 6.17.0
- Qt Version: 6.9.2
- Kernel Version: 6.17.0-5-generic (64-bit)
- Graphics Platform: Wayland
- Processors: 8 × Intel® Core™ i7-6700K CPU @ 4.00GHz
- Memory: 16 GiB of RAM (15.6 GiB usable)
- Graphics Processor: NVIDIA GeForce GTX 970
- Manufacturer: Gigabyte Technology Co., Ltd.

Additional info:
The package "software-properties-qt" was installed at all times. Launching it 
directly via the terminal (sudo software-properties-qt) works as expected.

** Affects: ubuntu
     Importance: Undecided
         Status: New

** Attachment added: "su error message"
   
https://bugs.launchpad.net/bugs/2126563/+attachment/5913661/+files/Bildschirmfoto_20251001_131256.png

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https://bugs.launchpad.net/bugs/2126563

Title:
  Driver Management System Settings module fails to open software-
  properties-qt

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