Tuesday, October 13, 2009

how to solve "invalid operating system" error

While you installing windows xp , after text portion of setup completes you need to restart pc, to go in to graphical user interface (GUI) setup. but when you restart pc after completes text portion of setup and booting from hard disk you notice "invalid operating system" error occurs and you cant proceed with the installation. no matter how many times you start all over again problem still occurs.

This can happen because of hard disk contains invalid master boot record. to fixed this issue you have to rewrite MBR code to hard disk. after you you write new MBR code no more errors, you can complete windows xp installation process.

Find out how to fixed MBR code

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