Same. I have an installation setup, with KVM, but even after following instructions and setupz cuckoo never reverts the snapshot it used. So after the first use , it reused the potentially malicious snapshot for the next run. If I can't figure out how to fix that , I can't use it.

I just used the one in their docs. You don't need any other guide. If you have trouble with the vm,try something simple like virtualbox