probonopd

Which exact version of elementaryOS are you using? Live mode or installed? How exactly did you install and launch AppImageLauncher, and which version of it?

> I do not remember installing AppImageLauncher, maybe it came with elementaryOS Most certainly not.

fwiw, [xapp-thumbnailers](https://github.com/linuxmint/xapp-thumbnailers) has a Python based thumbnailer for squashfs-based type-2 AppImages using `unsquashfs` that can work (at least) in [Caja (MATE)](https://github.com/mate-desktop/caja), [Nautilus (GNOME)](https://gitlab.gnome.org/GNOME/nautilus), [Nemo (Cinnamon)](https://github.com/linuxmint/nemo), [PCManFM (LXDE)](https://github.com/lxde/pcmanfm), and [Thunar (Xfce)](https://gitlab.xfce.org/xfce/thunar).

After thinking about it some more, I think the best cause of action is to actually embed some dialogs into the existing `AppRun` bash script. Maybe using [qarma](https://github.com/luebking/qarma)?

That was my original thought, but the more I think about it I believe the best way is to wrap each and every step in proper error handling with GUI,...

Pseudo-code: ``` test_someting if $RESULT != FOO ; then qarma "Question..." ; fi do_something if $? != 0 ; then qarma "Error..." ; fi ``` You see, the GUI stuff...

Do you realize that it will be orders of magnitude more work that way unless I am missing something?

> The easiest way I can think of to allow for providing both CLI and UI would be to extract the install_ methods into a sourceable script, source that from...

> Prepared everything for you to get started. Can you give me a "hello world" in terms of what I should do? Thanks. (I better ask before I do it...

@TheAssassin if I am not mistaken, the error occurs in https://github.com/AppImage/pkg2appimage/releases/tag/continuous, not in any of @oc1024's own AppImages. The particularity about this AppImage is that it contains another AppImage inside...