If OneDrive is already set up correctly and working fine, then the yellow exclamation warning can be ... exclamation mark in the Windows Defender notification icon. If the issue persists, try ...

Following Microsoft Defender ... show a warning notification with the option to turn on Defender protection with one click. This feature is currently available for Android, iOS and Windows ...

I can also open Defender from the start menu or select the blue shield icon in ... no advance warning. Despite a few minor ...