Invalid signature detected. Check Secure Boot state in Setup” error | Support is >Here
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.
Secure Boot Violation” may display when Secure Boot is enabled in BIOS and attempting to boot into Ubuntu and Debian - ThinkStation - Lenovo Support GB
Secure Boot Violation error - Microsoft Community
Secure boot violation with B250 mining expert? - boot - Forum and Knowledge Base A place where you can find answers to your questions | Hive OS
How to Boot and Install Linux on a UEFI PC With Secure Boot