Windows has Secure Boot as a security feature to ensure only trusted software loads when you boot up your PC, combating any ...

Windows Boot Manager is a tool that enables you to load multiple operating systems on your computer. This can include multiple versions of Windows or different operating systems entirely. If you're ...

The message Windows Boot Manager has been blocked by the current security policy means that the computer’s firmware is stopping the bootloader from starting up because it does not meet the Secure Boot ...