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However, these restarts do not help to fix the problem. Your device may be vulnerable." Due to the disabled protection, Windows may constantly prompt for reboots to enable device protection.
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The affected users receive a security message or a warning "Local security protection is disabled. The error occurs after installing the "Update for Microsoft Defender Antivirus Platform – KB5007651 (version. Now Microsoft has confirmed the problem on the Windows 11 22H2 Health status page in the Known Issues secriton in the post "Local Security Authority protection is off." with persistent restart. I had also shown a workaround via registry within my blog post above (but this registry entry had side effects – LSA may be diabled remotely after the registry hack). The issue seems to be caused by Windows 11 core isolation and may be related to a defender update was my suspicion. Windows 11 22H2 Defender causes "Local Security Authority protection is off" warning. I had covered that within a second blog post A few days ago, I had then picked up a problem report of a user here in the blog (see Windows 11: "Windows Security Health Service exe no longer functional" due to Defender update).īased on that article, there was some reader feedback that indicated that a message "Local Security Authority Protection was disbled." has been reported along with a warning, the the device may be vulnerable. I had first come across reports of this issue on the Internet in connection with Windows 11 Insider Preview builds.
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