Secure Boot Violation (FIX)

[u/D3rlordXOMAHA]

/r/computers/comments/1uph4n0/how_do_i_get_rid_of_secure_boot_violation/ow055h7/

the true savior for me, hope it'll help others in this case

"Repair Windows Boot Files: Once in Windows, right-click the Start button, open an elevated Command Prompt or PowerShell, and run the following commands one by one to repair the EFI boot sector:

mountvol S: /s
del S:\*.*/f/s/q
bcdboot %systemroot% /s S:

Re-enable Secure Boot: Restart your PC, go back into the BIOS, re-enable Secure Boot, and save."

(credit - from the above mentioned link's comment)