Many people say that they are not using internet on their system but still they get viruses on the computer. How can it be possible? The answer for this question is file transfer. When you get any files from an external device like pan drive or external hard disk. Because when any system gets infected files so it circulates within the systems and same the way you get that on your system. Antivirus software is the thing that ensures that you are not getting the wrong or harmful files on your system by its on-time scanning. Here, selecting Avast Antivirus gives you the right protection.
There is still a time when Avast does not work due to technical issues that is not an easy to go task for you because it requires a right way to resolve. These issues could be in many forms some of those are mentioned below to make you understand.