Cannot open appimage cannot run

Using AppImages
1

Musescore…appimage Does not run, not in Downloads, not somewhere else. (wants to open as txt-file)
did the permissions thing, did a new download.
Cannot open error message /tmp/.mount_kou3KP/.DirIcon
on trying to run musescore…appinmage in Terminal.

2

Can you please copy and paste the exact error message when you run the AppImage from the command line?

Thanks.

3

Can you please copy and paste the exact error message when you run the AppImage from the command line?

Thanks.

4

I did remove appimage from the device. That is why I Cannot give you a error message. Thanks