If you are a fairly advanced computer user, at times you may need to boot from devices other than the default hard-disk. You may do so mainly in order to troubleshoot virus infections and other critical operating-system related issues. Another reason might be that your CD/DVD ROM is not working properly and thus a bootable disc is not an option. In this tutorial, we are dealing with Windows XP and we will teach you how to make a windows xp bootable flash drive.