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This means 3rd Party AVs MUST use the APIs provided by MS to register properly. Microsoft has rolled this out to all W10 clients in the current patchday! drew my attention to this topic via Facebook (thanks for that):īy the way: The Defender AV can't be deactivated via GPO on Windows 10 clients anymore. There I couldn't really catch the sense of it – until I read the article at Bleeping Computer, when I realized that something had changed in Microsoft Defender under Windows 10. I had already noticed the days when colleagues from German site reported in this article that the entry DisableAntiSpyware in the settings of Microsoft Defender is no longer effective since August 2020.
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