WikiHow released a Topic about disabling cd/dvd autorun in windows XP

Windows XP contains a feature which automatically runs the software on a CD or DVD loaded into an optical drive on your computer. This is designed as a convenience, but can have the unintended consequence of loading or executing programs on your PC without your permission. Microsoft developers have created what they call a PowerToy — an unsupported but free piece of software you can install, which allows you to easily disable autorun on your optical drives.

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