Cannot sign into Office 365 account n Office suite on PC

HI - I cannot sign into Word 2016 or Excel 2016 on my PC, I get error 0xCAA30194

Please see attached.

Makes no sense, I am connected to the internet.

Please help!
Who is Participating?
Are you in corporate network with firewall?

in that case ensure that all O365 traffic is allowed from firewall to outbound internet
mewtdAuthor Commented:
I am behind a firewall, but all other users can sign in to their 365 account via their apps without any issue, seems to be only me who can't...
mewtdAuthor Commented:
I contacted Microsoft support, but they could not resolve, they have passed it over to Windows support, they say it's not an office 365 issue...
mewtdAuthor Commented:
Had to reinstall Windows 10 to resolve.
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