Microsoft’s recent patch, intended to strengthen Secure Boot defenses, has resulted in an unexpected setback for Linux-Windows dual-boot setups worldwide. Users and administrators encountering problems while trying to power on their Linux systems have received confusing error messages instead of the familiar boot sequence, leading them down a rabbit hole of frustration searching for solutions. Users try their hardest to use their systems again but fail miserably due to incompatibilities between them and Secure Boot’s security protections.