When using the Windows update if you encounter the Error number: 0xC8000711 (The website has encountered a problem and cannot display the page you are trying to view. The options provided below might help you solve the problem), try this :->
Start > Settings > Control Panel
Double Click on Administrative Tools
Double Click on Services
Start Service: Automatic Updates (This one is probably already started)
Start Service: Background Intelligent Transfer Service
Start Service: Event Log
Retry Windows Update and it should work.
All three services i.e. Automatic Updates, Background Intelligent Transfer Service, and Event log must all be started for the updater to work.