Checklist

• I have tried ALL of the steps mentioned in the troubleshooting guide.
• I have searched for this in the issues tab.

Describe the Bug

After double click on AppImage no UI opens

To Reproduce

Use Ubuntu Desktop 25.10:

gero@Framework16:~/AppImage$ ./upscayl-2.15.0-linux.AppImage 
dlopen(): error loading libfuse.so.2

AppImages require FUSE to run. 
You might still be able to extract the contents of this AppImage 
if you run it with the --appimage-extract option. 
See https://github.com/AppImage/AppImageKit/wiki/FUSE 
for more information

Is a global Electron Problem (I think):

Discussions between AppImage devs, Linux distribution maintainers, and software vendors are on-going in an effort to move the situation forward. Adapting AppImages to use FUSE 3 isn’t trivial (or desired), but Linux distros don’t want to continue supporting FUSE 2.

https://www.omgubuntu.co.uk/2023/04/appimages-libfuse2-ubuntu-23-04

On Ubuntu 25.10 I needed to install the following package:

sudo apt install libfuse2t64

After installing the package I get a different ERROR:

After that I had to solve another Problem with the Sandbox:

ERROR:

gero@Framework16:~/AppImage$ ./upscayl-2.15.0-linux.AppImage 
[21842:1130/160345.774271:FATAL:setuid_sandbox_host.cc(158)] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I'm aborting now. You need to make sure that /tmp/.mount_upscayK1ESM9/chrome-sandbox is owned by root and has mode 4755.
Trace/Breakpoint ausgelöst (Speicherabzug geschrieben)

This is also a global Electron problem I think:

electron/electron#42510

Upscayl Version (or commit hash)

2.15.0

Platform

Linux

OS Version

Ubuntu 25.10

GPU Name

AMD Ryzen 7 7840HS

Expected Behavior

AppImage opens

Screenshots

No response

Logs

NO LOGS