New Secure Boot certificate not updating on my computer

Alison Masterson 0 Reputation points
2026-07-16T20:58:48.2133333+00:00

The secure boot certificate update has not uploaded to my computer even though it should have done automatically what should I do

Microsoft Security | Microsoft Defender | Microsoft Defender for Office 365
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  1. Marcin Policht 106.8K Reputation points MVP Volunteer Moderator
    2026-07-16T21:06:36.2966667+00:00

    Refer to https://learn.microsoft.com/en-us/answers/questions/5829226/how-to-manually-update-secure-boot-certificates-in

    Method 1

    open Command prompt with an admin rights and below the following

    step 1

    reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Secureboot /v AvailableUpdates /t REG_DWORD /d 0x5944 /f

    Powershell -command Start-ScheduledTask -TaskName "\Microsoft\Windows\PI\Secure-Boot-Update"

    restart system

    step 2

    reg query HKLM\SYSTEM\CurrentControlSet\Control\Secureboot /v AvailableUpdates

    If you see the value of AvailableUpdates becomes 0x4100, then again type below

    Powershell -command Start-ScheduledTask -TaskName "\Microsoft\Windows\PI\Secure-Boot-Update"

    restart system.

    Method 2

    BY installing latest bios from computer manufacturer

    If the above response helps answer your question, remember to "Accept Answer" so that others in the community facing similar issues can easily find the solution. Your contribution is highly appreciated.

    hth

    Marcin

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