Windows 10: What have I done to my laptop?

About two weeks ago I used the steps in this video to fix a problem I was having with a certain website


https://www.youtube.com/watch?v=FGPS01qrobc


I use my android phone as a hotspot for my laptop, but after doing the steps in this video my laptop has started to refuse the internet from my phone. Well, not completely, I can google things and even open some websites, but most of them just won't open. It loads for ages and then I get a "ERR_CONNECTION_TIMED_OUT". I can use the wi-fi at home and it works just fine, I only have problems with using my phone's net.


I don't know enough about computers to understand what I have done here, but could someone please tell me if there's something I could do to fix this?


Thank you so much for reading, have a great day xxx

:)

 

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