Mac App Store not working (your device or computer could not be verified) (NullEthernet the only option???)

On my way to a fully hackintoshed laptop, but hit a snag. Can't sign into App store, I get the error mentioned in the title. I have working ethernet port but currently using WiFi to access app store.

I'm looking into NullEthernet, but it's for a scenario where there is no working ethernet on the machine. I have working (but not in use) ethernet and working WiFi and Bluetooth. Will my WiFi functionality be affected if I use it? Too scared to try it out without some recommendations >.<

Any and all hep appreciated

submitted by /u/kvn95
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