In human terms: When Windows 11 starts, it doesn't just "run." It reads a special database called the BCD—think of it as a GPS for your operating system. It tells the bootloader: "Here is the path to the kernel. Here is the partition. Here is the RAM disk."
If you do not see a BitLocker prompt, or entering the key does not work, you need to use the Windows Recovery Environment (WinRE). error status 0xc0e90002 windows 11
This error typically appears on a blue or black screen with the message "The boot configuration data for your PC is missing or contains errors" or simply as a BitLocker recovery prompt that fails to proceed. In human terms: When Windows 11 starts, it doesn't just "run