Most of the trojans, worms, and “viruses” that infects our portable devices when plugged in to PCs at the Multimedia Labs are triggered by allowing AutoPlay to run when we hook our techie stuff at the USB ports. Now, one way to avert the spread or even activation of these menaces is by turning AutoPlay off. How?
Download TweakUI from http://www.microsoft.com/windowsxp/downloads/powertoys/xppowertoys.mspx. Once installed, you will see under the My Computer list in it AutoPlay. Uncheck all of the drives. This will prevent AutoPlay from being executed when you plug a USB device, say a flashdisk or portable harddisk in to your PC.
Another option is to hold the {Shift} down while plugging-in your USB device. But this may sometimes be difficult, as there are times when you need two (02) hands to plug your devices at the USB port.