ISSUE: Minecraft Loses Connection after Signing into Microsoft Account

DETAILS: Minecraft works perfectly when not signed in to a Microsoft Account. As soon as I log in, Minecraft cannot load marketplace, servers, purchased packs or, saved worlds. It just loads and says "Unable to connect, maybe check your internet?" 

I tested this about 3 times and it's definitely not the internet. It only happens after I sign into my account. Purchased skins and featured servers disappear. 

I spent about two hours reinstalling, resetting, refreshing, and looking through the Support Forums, no resolution. Both Windows and Minecraft are fully updated to the latest version.

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I'm really disappointed and I hope I can access my all skins and packs I purchased, and play with friends again.

Please help, Thank you.

• Seb