We couldn't sign you in to Xbox Live [0x80004005] -- Can't even start up the Sim

Please tag your post with #pc and/or #xbox.
Are you on Steam or Microsoft Store version?
Microsoft Store
Do you have any add-ons in your Community folder? If yes, please remove and retest before posting.
Nope. Deleted them.
Are you using Developer Mode or made changes in it?
Brief description of the issue:
Can’t even sign into Xbox Live. Gives me an error. Never had this problem. I’ve troubleshooted for the past 5 hours.
Provide Screenshot(s)/video(s) of the issue encountered:

Detail steps to reproduce the issue encountered:
Literally try starting Flight Simulator and it won’t work.
PC specs for those who want to assist (if not entered in your profile)

Build Version # when you first started experiencing this issue:

Are you on the Steam or Microsoft Store version?

Did you submit this to Zendesk? If so, what is your ticket #?

5 posts were merged into an existing topic: We couldn’t sign you in to Xbox Live (0x80004005)