The moment you want to uninstall Parallels from your Mac computer, you will have to know that many times in this operating system when you uninstall a program, its internal data is not completely erased. For this reason, when you uninstall it, you will have problems with other programs on your computer and you will have to know how to solve them. What to consider before uninstalling Parallels from a Mac? You cannot remove it from the recycle bin.