How to Fix the ‘Secure Boot Violation’ Problem on Windows 10/8/7 [Tutorial]

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How to Fix the ‘Secure Boot Violation – Invalid Signature Detected’ Problem on Windows 10/8/7 [Tutorial]

If your Windows 10 computer does not boot normally, but instead displays a red warning box saying Secure Boot Violation, Invalid signature detected, Check Secure Boot Policy in Setup then this post will help you.

This problem occurs when you install a non-OEM signed boot software which starts at boot-time. Many people have faced this issue on various laptops made by Dell, HP, Lenovo, ASUS, Samsung, etc.

Microsoft rolled out the KB3133977 for Windows 7 in order to fix an issue preventing BitLocker from successfully encrypting drives on Windows 7 computers because of constant service crashes in svchost.exe. While the KB3133977 does successfully resolve this problem, it creates a new one for ASUS computers running on Windows 7 and renders them unable to boot into their Operating Systems. If your computer is running on Windows 7 and has an ASUS motherboard, downloading and installing the KB3133977 update will lead to your computer being unable to boot up and you seeing a Secure Boot Violation error message in your computer’s UEFI whenever you try to boot it up.

ASUS motherboards use Microsoft Secure Boot technology to protect computers from malware attacks and other threats, but this feature is not completely enabled by default on ASUS computers running on Windows 7 as Windows 7 does not support this technology. The installation of the KB3133977 update causes the Secure Boot feature to be completely enabled. When completely enabled, Secure Boot does a loader check before it allows a computer to boot into its OS, and since the technology does not recognize Windows 7 as a compatible Operating System, it detects inconsistent loader keys, prevents the computer from booting and displays the Secure Boot Violation error message post-KB3133977 update.

This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10, Windows 8/8.1, Windows 7 operating systems.Works for all major computer manufactures (Dell, HP, Acer, Asus, Toshiba, Lenovo, Samsung).



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2020
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