Sometimes, there was showing no internet access or limited connectivity on the wireless icon.

Read this post fromMiniToolto get the methods.

Diagnostics will no longer function if Diagnostics Policy Service is not running.

You Can Disable Unnecessary Services in Windows 10

Some misconfigurations of the system will cause this error.

Next, here are some methods to fix the Diagnostics Policy Service is not running error.

To disable unnecessary services in Windows 10 is a good way to reduce the boot time of your machine.

set the Startup type as Automatic

This post tells how to disable and what to safely disable.

How to Fix Diagnostics Policy Service Is Not Running Error?

Here is how to check it.

navigate to Network adapters

Step 1:Press theWindows + Rkeys to open theRundialogue box, then typeservices.mscand clickOK.

Step 2:Navigate toDiagnostic Policy Service, then right-click it and selectProperties.

Step 3:Set theStartup typeasAutomaticand click theStartbutton.

Step 4:ClickApplyto save changes and exit.

Now try launching the troubleshooter again and see if the error is fixed or not.

If not, you could try the next method.

Thus, the second method is to grant administrator privileges to different modules.

Here is the tutorial.

If it doesnt work, try the next method.

Step 1:Press theWindows + Rkeys to open theRundialogue box, then typedevmgmt.mscand clickOK.

Step 2:Navigate toNetwork adaptersand expand it, then right-click adapter that causes your problem and clickUninstall machine.

Step 3:Right-click any empty space in theDevice Managerand selectScan for hardware changes.

Then the internet adapter will be installed automatically.

you’ve got the option to use the methods mentioned above to fix this error.