What should I do if the win7 system uses the diagnostic policy service prompt "not running"?

The win7 system uses the diagnostic policy service prompt <;not running” What should I do?

1. Right click on the Win7 System & Computers icon and select “Manage”;

2. On the open computer management panel, expand “Services & Applications Program ”——“Service";

3. On the service panel, locate and double-click the service of the diagnostic policy service. In the settings window that opens, change the startup type to “Auto ”, the startup status is "Started";

4, find and double-click the service of the diagnostic service host, in the settings window that opens, set to “ Enabled & rdquo; and & ldquo; manual & rdquo ;;

5, finally double-click the diagnostic system host service, in the settings window that opens, set to “ manual & rdquo;