Windows Boot Manager requires it and replaces the boot.ini that was used by NTLDR earlier. In the case of boot problems, you may be required to rebuild BCD. If this does not help, you can manually ...

The boot configuration data for your PC is missing or contains errors problem occurs when a computer boots up, and the Windows Boot Manager encounters an issue with the Boot configuration data.

The Make2023BootableMedia.ps1 PowerShell script updates boot manager support on Windows media to the boot manager signed by the new “Windows UEFI CA 2023” certificate. The input and output can ...

For example, the mitigations are blocked on Windows Server 2012 and Server ... The April 9, 2024 security updates will block mitigations #2 (boot manager) and #3 (DBX update) on affected systems.