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.

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 ...

Repair Windows Boot Configuration Data The Boot Configuration Data (BCD) is crucial for the Windows operating system, as it dictates how the system should boot.

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.