Windows update service not running properly.Conflict with Windows firewall or antivirus program.Here are some general reasons why you may be facing this issue: How To Fix Windows 10 Apps Not Working Why are Windows 10 apps not working? Method 15: Restore System to Earlier Version.Method 12: Change Group Policy User Account Control Settings.Method 11: Modify User Account Control Settings.Method 10: Switch or Create New User Account.Method 8: Ensure Application Identity and Update Service is Running.Method 5: Reset or Reinstall Malfunctioning Apps.
