This issue applies to the Windows XP operating system, including the Professional and Home Edition versions. Starting with Windows Vista, Windows uses BOOTMGR, not NTLDR. If you get an "NTLDR is missing" error in Windows 11, Windows 10, etc., especially early in the installation process, try restarting the clean installation process from scratch.
How to Fix the "NTLDR Missing" Error | How to Fix the "NTLDR Missing" Error
Follow these steps in the order they are listed below to try the simpler solutions first.
Restart your computer. The error may be a fluke.
Check your floppy and optical (CD/DVD/BD) drives for media and disconnect any external drives. Often the error message "NTLDR is missing" will appear when your computer tries to boot from a non-bootable floppy disk, CD/DVD/BD, external hard drive or flash drive.
