This could be due to CredSSP encryption oracle remediation

[Window Title]
Remote Desktop Connection

[Content]
An authentication error has occurred.
The function requested is not supported

Remote computer: <hostname or ip address>
This could be due to CredSSP encryption oracle remediation.
For more information, see https://go.microsoft.com/fwlink/?linkid=866660

[OK]

Solution:
Open Local Group Policy Editor (executing gpedit.msc)
Navigate to Computer Configuration -> Administrative Templates -> System -> Credential Delegation
Double-click on Encryption Oracle Remediation the select Enabled and change Protection Level to Vulnerable click Apply then OK.

Source: https://blogs.technet.microsoft.com/mckittrick/unable-to-rdp-to-virtual-machine-credssp-encryption-oracle-remediation/

Google Chrome video black only audio

Just fixed in my pc.

Open Google Chrome and write

chrome://flags

scroll or search the feature Hardware-accelerated video decode
select Disabled then
click the button RELAUNCH NOW

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