The most likely reason for the antivirus protection on a company laptop being out of date is failed OS updates1 . Antivirus software relies on the operating system to function properly. If the operating system is not up-to-date, the antivirus software may not function properly and maynot be able to receive the latest virus definitions and updates2. Therefore, it is important to keep the operating system up-to-date to ensure the antivirussoftware is functioning properly2.