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Create a Persistent Storage if you don't have one already.
 
a week ago
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File “wiki/src/support/known_issues/secure_boot_certificates.ar.po” was added. 8 days ago
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In the BIOS menu, find the **Secure Boot** setting and disable it. This option is usually in either the **Security** tab, the **Boot** tab, or the **Authentication** tab.
 
8 days ago
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You can usually disable Secure Boot through the BIOS settings of the computer, but the procedure varies by manufacturer. To learn how to edit the BIOS settings, search for the user manual of the computer on the support website of the manufacturer.
 
8 days ago
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Instead of updating the certificate, you can also disable Secure Boot. Even with Secure Boot disabled, the regular operating system should still start.
 
8 days ago
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If the **Secure Boot Update Needed** notification persists when restarting Tails, it means that the Secure Boot certificates of the computer are still outdated.
 
8 days ago
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Disabling Secure Boot
 
8 days ago
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Linux distributions that use the GNOME desktop automatically apply this
update through GNOME Software.
 
8 days ago
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For Linux, such updates are applied by the [[!wikipedia fwupd]] daemon.
 
8 days ago
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See also [[Microsoft: Install Windows
updates|https://support.microsoft.com/en-us/windows/install-windows-updates-3c5ae7fc-9fb6-9af1-1984-b5e0412c556a]].
 
8 days ago
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For Windows, select **Start ▸ Settings ▸ Windows Update ▸ Check for Windows updates**.
 
8 days ago
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To update the Secure Boot certificates of the computer, restart its regular operating system, Windows or Linux, and apply all available updates.
 
8 days ago
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Updating the Secure Boot certificates
 
8 days ago
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Tails has detected that the computer still has outdated Secure Boot certificates and needs an update.
 
8 days ago
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Since 2023, [[Microsoft has started replacing|https://support.microsoft.com/en-us/topic/windows-secure-boot-certificate-expiration-and-ca-updates-7ff40d33-95dc-4c3c-8725-a9b95457578e]] the Secure Boot certificates originally issued in 2011. These older certificates begin expiring in June 2026.
 
8 days ago
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[[!wikipedia Secure Boot]] is a security measure that prevents starting malicious operating systems on a computer. Most computers running Windows have Secure Boot enabled. Linux distributions, including Tails, also support Secure Boot.
 
8 days ago
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Why is this happening?
 
8 days ago
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After this change in Tails occurs, the computer might display a **Secure Boot Violation** error or another error message when trying to start Tails.
 
8 days ago
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Otherwise, Tails will no longer start on this computer after a future Tails upgrade. We cannot predict when such an upgrade will occur, because the timing depends on changes that Tails could inherit from Debian in any Tails upgrade.
 
8 days ago
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[[!img support/known_issues/secure_boot_certificates/secure_boot_update_needed.png class="screenshot" alt="Notification: Secure Boot Update Needed"]]
 
8 days ago

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