Unable to open up the "Update and Security" settings …
https://answers.microsoft.com/en-us/windows/forum/all/unable-to-open-up-the-update-and-security-settings/c445b6bc-e442-4239-9d14-3a49a8d5f49b
Dec 26, 2017 · Open Start, type: CMD Right click CMD Click Run as administrator Type in at the prompt OR Copy and Paste these one at a time : (Hit enter after each) Dism /Online /Cleanup-Image /CheckHealth Dism /Online /Cleanup-Image /ScanHealth Dism /Online /Cleanup-Image /RestoreHealth Also run the System File Checker utility: Open Start, type: CMD
DA: 49 PA: 40 MOZ Rank: 11