Certainly there is no complete protection but I would advise you two FREE programs.The first set [Ссылки могут видеть только зарегистрированные пользователи. ], for those [Ссылки могут видеть только зарегистрированные пользователи. ] is clear if it will be hard to watch the intro video.The first program will allow you to adjust your Computer Knowlodge and show what you downloaded from the new programs they want to register in your Computer Knowlodge.The second program is a light cloud antivirus which is not bad catch viruses without affecting the operation of your Computer Knowlodge not devouring resources.All of these programs can live together with other antivirus so try.Best wishes.Aleks.