[NAME]  - Did you tell Revo to delete all the "leftovers" it showed you after it uninstalled SupportAssist? Those items would have been shown in bold on the various screens after the uninstall. Some times the leftovers can mess things up. I'd just ignore the Dell Update recommendation for now. You don't really need it anyway. And you can always check for new drivers manually, using your Service Tag on the support page.
According to dell supportassist, I have 1 critical update and 2 recommended updates that will not install. error message:  some of the updates could not be installed. See the status column for details.   the exact files are :  suuportassist OS recovery tools  version 5.4.3.15135 dell update/alienware update application for windows 10     version 4.3.0 intel management engine components installer                    version 2110.15.0.2210     xps8940,  windows 10 (up to date) How can I fix this?
supportassist: will not update