Autorun allows programs to automatically start running when you place a CD/DVD in your optical drive. While this is often a good thing (or at least neutral), if there is a malicious program on the CD/DVD, it too will automatically run.
If you disable autorun, programs will not automatically run when you insert a CD/DVD. Rather, a dialogue box will open asking if you would like to run the program. While a bit less convenient, it is more secure.
In order to disable autorun in XP/Vista you will need to edit the registry and, as always, it’s a good idea to back-up the registry before making any changes. Click here for instructions on how to back-up the registry.
Here’s how to disable autorun in XP/Vista:
1. In XP, click Start – Run (in Vista click Start and type “regedit” in the search box, click OK in the User Account Control warning box if that box opens).