Error running AppImage "fusermount: mount failed: Operation not permitted" on Ubuntu 20.04

I'm trying to run an AppImage executable file. However, I see the following error message when I run it:

$ jetbrains-toolbox
fusermount: mount failed: Operation not permitted
Cannot mount AppImage, please check your FUSE setup.
You might still be able to extract the contents of this AppImage
if you run it with the --appimage-extract option.
See
for more information
open dir error: No such file or directory

I have fuse installed and it looks like it's configured properly but I still see the error. How can I fix it?

1 Answer

On Ubuntu 20.04, completely reinstalling fuse helps.

Either with:

sudo apt-get remove --auto-remove fuse
sudo apt-get install fuse

or less intrusive

sudo apt --reinstall install fuse

Source information:

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