EnglishTRANSLATORS: this is the first section of the decription.
Secure boot prevents malicious software from being loaded when the device starts. It is currently turned on, but will not work due to having an invalid key.
EnglishTRANSLATORS: this is the second section of description.
Secure boot problems can often be resolved from your computer's UEFI firmware settings (BIOS) and your hardware manufacturer may provide information on how to do this.