To do this, open the PowerShell (Right-click on the start menu and select Powershell (Admin)), and enter the following command:
The Settings app in Windows 10 is counted among the official built-in Windows apps, so reinstalling it should fix whatever problems you may have with it. After that again run the SFC utility and restart windows check it helped? Reinstall and Re-Register Windows Apps
Then Run the DISM command dism /online /cleanup-image /restorehealth to repair the system image. Run DISM command: If SFC scan results windows resource protection found corrupt files but was unable to fix some of them. Run SFC Utility: open command prompt as administrator, type sfc /scannow and hit enter key to run SFC utility which scans for missing corrupted system files, if found any the SFC utility restore them from a compressed folder located %WinDir%\System32\dllcache After that restart windows and check it helped to fix windows 10 Settings app?