Norton provides a quick scan of the files and documents in the device. The scanning speed of Norton programs is considered as the industry standard. The various programs of Norton run on multiple devices without becoming a drain on the resources of these devices. Whenever applications began affecting the performance of the computers, Norton Antivirus alerts available at www.norton.com/setup alerts the users regarding the changes to be made. The silent mode feature of the antivirus program delays the unnecessary updates when a laptop, computer or any other device is being used for watching videos or playing online games.