If you are using Windows Vista or the newer versions of Windows, you might not notice but you have a pre-installed security software called Windows Defender. The good thing is, it is free and it usually comes pre-installed in most systems. The bad thing is, there is no visible option to uninstall it. There are several free antivirus software available today. One of the leading security tool today is Avast. If you intend to use any free or commercial security software, during installation, these security programs are intelligent enough to disable… Read More