The best thing to do with ghosts is to set them free

Take the ghost that prevents random users on random machines from renaming random files in icon view in Caja:

https://bugs.launchpad.net/ubuntu/+source/caja/+bug/1771768
https://github.com/mate-desktop/caja/issues/1444

It transpired that it just wants to escape, so just open the window a bit lower and it will go.