Around the world, you will find the numerous products to maintain the safety and security in computer and desktop. This is referred as the antivirus to protect your data and information in the genuine manner. Among the numerous series of antivirus, Avast antivirus has been highly utilized. The recommendation of this software has been given many times as you are feeling some difficulty to properly launch this application. Have you ever think about the main cause the drop the preferred speed of your computer and laptop. One thing is clear that the speed of computer cannot automatically lower it speed without the injection of overwhelming threats.