Apr 25, 2011  I really do not think you can boot from an iso. Usually the usb creation program expands the iso image into many files and folders. If you have one iso image file in the usb it will not work. Copying your Win7 straight to the usb may work. If you do that, check if the Win7 cd files and folders are equal to the usb files and folders.

COMPLETELY EDITED Blog post following even more precise info received about issue If I realize correctly, after attempting Ubuntu, you would like to reinstall Windows XP. You had been attempting to just duplicate the items of the Windows XP Installation medium to a USB travel and obtained a 'BOOTMGR missing' error when attempting to begin the pc with this USB commute. My very first idea had been to substitute the boot field on the USB drive with a Home windows XP boot sector, which would try to load NTLDR rather of BOOTMGR. However, this been unsuccessful to take into account that with either shoe areas (older XP edition or up to date Windows vista and newer version) the Home windows XP Set up medium can be not developed to become began from USB (unIike that of Windows Vista and newer). From additional remarks that you made, I appear to recognize that you perform not own a physical duplicate of your Windows XP installation medium, but instead have an ISO copy of it.

• If bootmgr is missing from your hard drive, or is otherwise corrupted, you cannot boot into your computer. To avoid downtime for your business, getting back up and running quickly is essential. Windows XP gives you the option of going through a repair installation that does not require reformatting your hard drive, so you avoid losing business files.
• Apr 17, 2018  Describes how to troubleshoot the error message 'Bootmgr is missing Press. Windows 7 or Windows Vista installation. Locate the CD, DVD, or USB.
• How to fix the 'BOOTMGR is Missing' and 'Couldn't Find BOOTMGR' errors that sometimes appear during startup in Windows 10, 8, 7, or Vista.

The reasonable information from right here is merely to burn off your ISO copy to á CD-ROM ánd to use that disk to start the pc and install Home windows XP the way it has been designed to be. This option does not seem to charm to you. Maybe you wear't have got a CD-ROM commute or burner in that computer? The witcher 3 essential mods free.