I suppose it is common knowledge that Ksnip does not work under Wayland (Zorin 18.1). A web-search mentions Switching to the Xorg display server. I am a complete novice on Linux and this seems too dangerous. I'd appreciate it if anyone who knows better advise on whether to do this, especially any d…

There's no danger in switching to xorg display protocol. Simple log out and click your username. A cog should appear - here you can switch between the protocols.