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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.
 
21 hours ago
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Updating the Secure Boot certificates
 
21 hours ago
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Tails has detected that the computer still has outdated Secure Boot certificates and needs an update.
 
21 hours 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.
 
21 hours 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.
 
21 hours ago
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Why is this happening?
 
21 hours 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.
 
21 hours 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.
 
21 hours 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"]]
 
21 hours 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.
 
21 hours ago
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[[!toc startlevel=2]]
 
21 hours ago
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[[!meta title="Secure Boot certificates update"]]
 
21 hours ago
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Resource updated
The “wiki/src/install/inc/overview.pl.po” file was changed. 13 days ago
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Windows 8
 
13 days ago
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Resource updated
The “wiki/src/support/known_issues.pl.po” file was changed. 2 weeks ago
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Resource updated
The “wiki/src/doc/anonymous_internet/no-wifi.inline.pl.po” file was changed. 3 weeks ago
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-->
 
3 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>
 
3 weeks ago
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<!--
 
3 weeks ago
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[[Buy on ThinkPenguin|https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-usb-adapter-gnu-linux-tpe-n150usb]]
 
3 weeks ago

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