Procedure to resolve Windows 10 Enterprise activation issue due to Microsoft Hotfix KB4493509 impact to IoT Device NMP620-P10

Step 1: Boot up NMP620-P10 and agree to the EULA while creating a User Account. Please disconnect the Ethernet cable and do not connect to Wi-Fi.

Step 2: Left click on the Windows Start button and select Settings.

Step 3: Select Update & Security.

Step 4: Select Windows Update then click on View update history.

Step 5: Click on Uninstall updates.

Step 6: Click on “Security Update for Microsoft Windows (KB4493509)" to highlight it then click Uninstall.

Step 7: Click Yes to uninstall KB4493509.

Step 8: Wait for the uninstall to complete.

Step 9: Click Restart Now when the uninstall is complete.

Step 10: Please wait for the updates to complete. Once logged into the Windows desktop, plug in the Ethernet cable or connect to Wi-Fi with internet access. 

Then repeat Step 1 through 3 and select Activation. It should now show that Windows is activated with a digital license.