What is /Library/StagedExtensions for and how to remove extensions
问题 I'm trying to uninstall Parallels completely from macOS High Sierra. I removed everything from the disk except some Parallels extensions that are stored under /Library/StagedExtensions/Parallel Desktop.app I think the location has to do with user approved extensions, but I'd like to find a way to remove/uninstall those too. If I try to delete the extensions it says operation not permitted despite the root rights. Any idea? 回答1: There is new way to clear the StageExtensions folder as following