Secure Boot helps validate that the bootloader in which you are typing your disk encryption password is authentic and not a rootkit/keylogger. Secure Boot shou

Secure Boot helps validate that the bootloader in which you are typing your disk encryption password is authentic and not a rootkit/keylogger. Secure Boot shouldn't affect VirtualBox in any way. Are you sure your VirtualBox issue didn't have to do with Hyper-V?