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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.
 
6 days ago
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Updating the Secure Boot certificates
 
6 days ago
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Tails has detected that the computer still has outdated Secure Boot certificates and needs an update.
 
6 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.
 
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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.
 
6 days ago
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Why is this happening?
 
6 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.
 
6 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.
 
6 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"]]
 
6 days ago
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If the **Secure Boot Update Needed** notification below appears when starting Tails, it means that the Secure Boot certificates of this computer need to be updated.
 
6 days ago
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[[!toc startlevel=2]]
 
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[[!meta title="Secure Boot certificates update"]]
 
6 days ago
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Resource updated
The “wiki/src/install/inc/overview.ar.po” file was changed. 2 weeks ago
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Windows 8
 
2 weeks ago
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Resource updated
The “wiki/src/support/known_issues.ar.po” file was changed. 3 weeks ago
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Resource updated
The “wiki/src/doc/anonymous_internet/no-wifi.inline.ar.po” file was changed. 4 weeks ago
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-->
 
4 weeks ago
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<table>
<tr><th>Vendor</th><th>Model</th><th>Size</th><th>Speed</th><th>Price</th><th>Buy offline</th><th>Buy online</th></tr>
<tr><td>Panda Wireless</td><td>Ultra</td><td>Nano</td><td>150 Mbit/s</td><td>$25</td><td>No</td><td><a href="https://www.amazon.com/d/B00762YNMG">Amazon</a></td></tr> 148f:5370
<tr><td>ThinkPenguin</td><td>TPE-N150USB</td><td>Nano</td><td>150 Mbit/s</td><td>$64</td><td>No</td><td><a href="https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-usb-adapter-gnu-linux-tpe-n150usb">ThinkPenguin</a></td></tr> ????:????
</table>
 
4 weeks ago
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<!--
 
4 weeks ago
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[[Buy on ThinkPenguin|https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-usb-adapter-gnu-linux-tpe-n150usb]]
 
4 weeks ago

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