We normally see this error when we have more than one adapter. Can you try below steps and see if it resolves the issue:
-> Disable WMI services, run - services.msc - WMI - stop the services. -> Delete the files under, C:\Windows\System32\wbem\Repository -> Delete GP related files, un-installed GP , made sure that the virtual adapter disappeared. -> Then reboot the machine and re-instally the GP client.
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