strumminJ Member Joined Aug 15, 2019 Posts 23 Aug 16, 2019 #1 Greetings Sysnatives ! this SBS2011sp1 x64 has been updating correctly manually (not using WSUS) except for the security monthly quality rollups and previews, since at least 6 months. Farbar found no entry for KB4022719 sfc /scannow displayed Windows Resource Protection did not find any integrity violations SURT/DISM scan finished with Installation Complete SFCfix found no corruptions and successfully processed all directives. It failed to generate a complete zip file and aborted upload. CBS folder and other results are at UpdateIssues - Google Drive Many thanks for your assistance !