UEX 20.00.0.34 and 23.0.0.21 won't run after installation on Kubuntu 24.04 (solved)

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Post18:41 - 6 days ago#1

Up to now I could use my older UEX version (20.00.0.34) on my Linux machine (Kubuntu 24.04) after I installed the synaptic package libwebkit2gtk-4.0.37. However, suddenly UEX won't start anymore – for unknown reasons!

After I became aware that there should be a newer UEX version for Linux, I tried to install version 23.0.0.21. The installation process went without error, but UEX won't start. The behavior is similar to the behavior of version 20.00.0.34: After the icon briefly appears it vanishes and nothing happens, i.e. UEX won't start.

Any ideas how to solve the problem?

Post22:05 - 5 days ago#2

The problem is solved: There was a NVIDIA driver mismatch (the loaded kernel module was incompatible with the installed driver package). After rebooting the system the correct kernel module matching my installed driver was loaded and the issue was fixed. 

Thus, UEX (version 20.00.0.34) is running OK with Kubuntu 24.04. 

By the way: Somewhere I read that this older UEX version would not run with Kubuntu 24.04. But this is not true. Here a step by step instruction that allowed me to successfully install UEX version 20.0 (uex_20.00.0.34_amd64.deb) in Kubuntu 24.04 (see also here and here):
  1. Update packages with
    sudo apt update
  2. Install the synaptic package manager:
    sudo apt install synaptic
  3. Start synaptic, look for "libwebkit2gtk", mark "libwebkit2gtk-4.0.37" and install the package:
    sudo synaptic
  4. Install UltraEdit (assuming version 20.0, the .deb file is assumed to be located in the current folder):
    sudo apt install ./uex_20.00.0.34_amd64.deb
  5. Start UltraEdit and register.