![KB164203491: CDI - Troubleshooting - "Secure Boot Violation" while starting the CDI - KB164203491: CDI - Troubleshooting - "Secure Boot Violation" while starting the CDI - wiki.esko.com KB164203491: CDI - Troubleshooting - "Secure Boot Violation" while starting the CDI - KB164203491: CDI - Troubleshooting - "Secure Boot Violation" while starting the CDI - wiki.esko.com](https://wiki.esko.com/download/attachments/170033458/Secure%20Boot%20Violation%20error.png?version=1&modificationDate=1429525842593&api=v2)
KB164203491: CDI - Troubleshooting - "Secure Boot Violation" while starting the CDI - KB164203491: CDI - Troubleshooting - "Secure Boot Violation" while starting the CDI - wiki.esko.com
Invalid signature detected" message prompt on every boot up. How do I fix? - CPUs, Motherboards, and Memory - Linus Tech Tips
Secure Boot Violation” may display when Secure Boot is enabled in BIOS and attempting to boot into Ubuntu and Debian - ThinkStation - Lenovo Support US
![Shaun Cassells on X: "#windowsinsiders #Windows10 Fast Ring 17711 just had this error after first restart. Secure Boot Violation. Only fix was to turn off secure boot in bios. Building happily now. Shaun Cassells on X: "#windowsinsiders #Windows10 Fast Ring 17711 just had this error after first restart. Secure Boot Violation. Only fix was to turn off secure boot in bios. Building happily now.](https://pbs.twimg.com/media/Dhef84EUYAA6vE7.jpg:large)
Shaun Cassells on X: "#windowsinsiders #Windows10 Fast Ring 17711 just had this error after first restart. Secure Boot Violation. Only fix was to turn off secure boot in bios. Building happily now.
![Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global](https://km-ap.asus.com/uploads/PhotoLibrarys/8a53fc79-6a00-4a96-8408-a7e886967aef/20230714145807415_1.png)
Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global
![Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global Notebook] When starting up the laptop, a 'Secure Boot Violation' message appears | Official Support | ASUS Global](https://kmpic.asus.com/images/2020/03/13/f7cf9160-8e86-4c33-94af-72b9b2e2e330.png)