Windows error code 0xc00000e9 is a common Windows Boot Manager error that indicates either a hardware failure or a corrupted system file encountered during the boot process. It appears shortly after the computer starts, but before the Windows login screen, as follows:
How to Fix Windows Boot Manager Error Code 0xc00000e9 An unexpected I/O error has occurred. Error code: 0xc00000e9 Instructions in this article apply to Windows 10, Windows 8, Windows 7, and Windows Vista. Causes of Windows 0xc00000e9 Error CodeThe 0xc00000e9 error code always has to do with the boot process for Windows. An I/O error, or input/output error, occurs when the system is unable to access a drive or disk, which means it cannot read or copy data. Because it's common, there are many reasons why the error mi…