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 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 then Click Uninstall.
Step 7. Click Yes to Uninstall KB4493509.
Step 8. Wait for uninstall to complete.
Step 9. Click Restart Now when 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 internest access. Then repeats step 1 through 3 and select Activation. It should now show that Windows is activated with a digital license.
