The Autorun or Autoplay feature is enabled in Windows by default. Thus, CDs, DVDs & Flash Drives containing viruses or malwares make use of the Autorun feature in Windows to infect your computer as soon as they are loaded into your PC, Laptops. If you want to avoid all possible means of your computer being infected by viruses then disabling Autorun feature is the first step of them all.
Note: The operating system vulnerable to most of the viruses is WINDOWS.
Here are the simple steps to disable Autorun in Windows:
Go to Start, Click Run type gpedit.msc (Windows Group Policy) and click OK.
Now in the Group Policy, click Adminsitrative Templates under Computer Configuration.
For Windows XP click on System.
For Windows 7 & Vista, click on System Components, then Autoplay Policies.