Disable the Action Center in Windows 10 regedit:
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HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\Explorer
DWORD (32-bit): "DisableNotificationCenter'
Value: 1

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From: https://www.howtogeek.com/244539/how-to-disable-the-action-center-in-windows-10/
Date Added; 11 September 2019