Windows Defender Firewall is blocking Microsoft services

Hello,

I noticed that after the latest optional software update for Windows 10, the Windows Defender firewall is blocking Microsoft services: KB4550945

In my case, it is not allowing downloading or logging in on the App Store.

It even blocks logging in to outlook.com via browser.

Turning off Firewall allows me to log in normally and perform app updates via App Store.

Can this be checked please?

Is there any additional information needed?

Thanks.

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Question Info


Last updated December 17, 2020 Views 625 Applies to: