Win10 key error solution

        
win10 key error start menu and cortana can not work Solution:
1, right click on the "this computer" icon, select "admin" & rdquo; (if you do not have this icon on your desktop, Right click on the desktop, select Personalize → Theme & Rarr; Desktop icon settings, check the "Computer" icon, click “ OK & rdquo; call out; if the start button right-click menu has not expired, select in the menu & ldquo; Computer Management & rdquo; can also enter).
2, click the arrow next to "Services and Applications", click "Services" (in fact, users with keyboards can save the first step, directly press and hold Win+R to call out "Run & rdquo" ;, execute services.msc into “service”, as shown above).
3, find the User Manager service, right click and select “ attribute & rdquo; (above).
4. Select “Auto” in the startup type, click “OK" (above).
5, at this time in the pop-up "Key Errors" prompts click "“ immediately logout" & rdquo;, after re-login, the problem can be solved.