Is Gparted not available via a VNC session?

[Ralf Mardorf]

On Mon, 27 Dec 2021 21:48:13 +0100, Bo Berglund wrote:
>sudo /usr/sbin/gparted

If "sudo" requires a password, the desktop file is rendered useless.
Since "gksudo" and similar are not available, but "pkexec" is available,
https://packages.ubuntu.com/focal-updates/amd64/policykit-1/filelist ,
you should try this or whatever else is working for your Ubuntu release.