![Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub](https://user-images.githubusercontent.com/29574622/173393380-79ad91b8-f24d-473a-9c0c-373633d7786f.jpg)
Invalid signature detected. Check secure boot policy in setup · Issue #1666 · ventoy/Ventoy · GitHub
Secure Boot Violation” may display when Secure Boot is enabled in BIOS and attempting to boot into Ubuntu and Debian - ThinkStation - Lenovo Support CH
![Secure boot violation. Invalid signature detected. Check secure boot policy in setup - Newbie - EndeavourOS Secure boot violation. Invalid signature detected. Check secure boot policy in setup - Newbie - EndeavourOS](https://forum.endeavouros.com/uploads/default/original/3X/b/3/b301c3ecb169a53f3828e8c417f47a19a40c488c.jpeg)