windows build 26100.4066

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Windows build 26100.4066 is the OS build number for Windows 11 version 24H2 after installing the out-of-band update KB5061977. This update was released by Microsoft to fix critical issues that arose from the May 2025 Patch Tuesday updates. The primary fix addresses a blue screen error with code 0x18B (SECURE_KERNEL_ERROR) that occurred on some devices. The update is part of Microsoft's ongoing efforts to maintain system stability and security for Windows 11 users. Discussions on this build focus on the specific fixes and improvements included in KB5061977, particularly for users experiencing the secure kernel error.

  1. Windows 11 KB5061977 Out-of-Band Update Fixes Critical Security and Stability Issues

    Microsoft has released an out-of-band update, KB5061977, for Windows 11, version 24H2, elevating the OS build to 26100.4066. This update addresses critical issues that emerged following the May 2025 Patch Tuesday updates. Key Fixes and Improvements: Blue Screen Error (0x18B...
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    • authentication failure blue screen bug fixes dhcp extended security updates file system image display errors internet access june 2025 update kb5061977 network issues out-of-band update patch secure_kernel_error security system stability windows 11 windows build 26100.4066 windows hello windows update
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    • Forum: Windows News