Following Microsoft Defender, Avira now freezing Windows at boot with 100% CPU / RAM usage December 12, 2023 by admin Tweet It was only a few days ago that we reported a Microsoft Defender bug that led to Windows 11 performance loss. Following that, Avira is now seemingly freezing Windows up making PCs unusable. Read more… Neowin Related Posts:Microsoft Defender gets outperformed easily by…Windows 11 23H2 upgrade causing performance loss and…Microsoft Defender update for Windows 11 or 10…BlackLotus bypasses Secure Boot, Microsoft Defender,…Source code for BlackLotus that bypassed Windows…