After following mister Mark Fine's great guide to successfully apply this patch in order to be able to install Parallels Tools for Kali Linux with Parallels 16, my Kali has become very slow/laggy. Moving mouse and typing take like 30 seconds to reflect. However, which is strange, typing a "poweroff" or "reboot" commands take immediate effect. As an example, here are other people having similar issues: Fedora Linux 32 is very slow in Parallels Desktop 16 (he says not all of his Parallels Tools kernel modules are loaded up, mine are though) Parallels Desktop 16 and Windows 10. Windows is extremely slow with 100% processor load Anyone can help please?