How to fix 2020.03 MB SD C4 Software HDD ewa-net Activation Unknown ID Error

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Solved! MB SD C4 2020.03 ewa-net Activation Unknown ID
Have mb star sdconnect c4 2020.03 (both SSD & HDD version), when enter ewa-net to activate, get error 'unknown id'. How to fix?

Here’s the working solution:
Enter the Device Manager, uninstall the hidden NIC driver, restart ewa-net. (If you have no idea which are the virtual network card drivers that need to be uninstalled, Find the ones with # to uninstall.
Look at the images below to follow: