What’s more interesting about ESET NOD32 Antivirus is, its protection status notifies you whenever your operating system is not up-to-date with recent system updates, and installing which can ensure maximum protection for your PC.
This computer does not have all available operating system updates installed. Please install the missing updates by means of the Windows Update service. For more information, click here.
After you click on here, ESET NOD32 searches and presents you the total number of available updates for your system. Then you can update your Windows system either by downloading only the updates you wanted from Microsoft Download Center or simply turn on the Automatic Updates feature on Windows.
Head on to my previous post How to Obtain Microsoft Windows Updates to know how to turn on Automatic Updates for your PC and also get the link to Microsoft Download Center.