Microsoft has acknowledged a software bug causing persistent Windows Security pop-ups that incorrectly indicate antivirus protection is disabled. These notifications began appearing after the latest Microsoft Defender Antivirus updates, but the antivirus is functioning correctly. The issue affects various versions of Windows and Windows Server with the latest Defender updates. Microsoft has committed to resolving the issue in a future update, though no timeline has been provided. Users are advised to verify the status of their antivirus through the Windows Security app and disregard the notifications until a fix is released.