This issue typically arises from a missing BCD entry or an incompatible hard drive driver. Windows Boot Configuration Data does not contain valid OS Entry ...

If you receive a Your PC needs to be repaired, The Boot Configuration Data file is missing some required information, 0xc0000034, message on your Windows 11/10 computer, then this post may help you.

Information about the startup environment on a machine that uses the Vista Boot Manager is included in the Boot Configuration Data (BCD) store. Information about bootable operating systems is ...

Windows Vista through Windows 8 use boot configuration data, or BCD, to manage the boot process on a PC and control which options appear in Windows Boot Manager.