How to make bootable USB using Windows Xp Sp3 CD Image File.

Not at all!

I downloaded .iso image of Windows Xp Sp3(544 MBs) but it is not writing onto USB with any kind of software.

It errors that i386 is missing. Can you give me the correct source of windows xp sp3 insatallation files?

If you have a genuine Windows XP ISO file on your computer all you need to do is my Step 2 above.

EDIT. Note that I said it creates a USB memory stick that can be used to install Windows, not a USB disk.

Not at all!

I downloaded .iso image of Windows Xp Sp3(544 MBs) but it is not writing onto USB with any kind of software.

It errors that i386 is missing. Can you give me the correct source of windows xp sp3 insatallation files?

Hello, I've downloaded Windows XP Service Pack 3 - ISO-9660 CD Image File

from microsoft website.

May I know how can I create a bootable USB disk so that I will be able to boot from my USB disk?

I suspect you have downloaded just the Service Pack, not Windows XP SP3 install media!

However, if you want to create a USB stick to install Windows, here is a 2-stage procedure, i.e. create the ISO file on HDD and then create the USB media. Remember that your computer must be able to boot from USB in addition to HDD and CD/DVD, so it will not work on older computers.

1. Read and then download the free BurnAware here http://pcsupport.about.com/od/software-tools/a/create-iso-image-file.htm

During the installation, be aware of any ‘foistware’ that is being offered.

Run the program, click Copy to Image. From Source select the optical drive. Browse to your destination and choose Save. Insert the Windows CD/DVD and click Copy.

2. Now create the USB media. Read and download the free Rufus here http://rufus.akeo.ie/

To run it, plug in the USB stick. Select NTFS, click on the DVD icon (create bootable disk). Choose the ISO file downloaded in 1) above and click Start.