This will give you some indication of how many viruses your computer could be missing in each scan with out of date definitions. Microsoft Security Essentials will search for available updates for your virus and spyware definitions.It will then automatically install the updates onto your computer.Still, on a computer connected to the Internet, the most convenient way to have the virus definitions updated is to allow the F-Secure product to phone back home and grab the files from over there.But no matter where you decide to get it, you should know that the FSUpdate tool includes all the virus databases, not just the virus one (spyware and spam, parental, and so on).The updater contains the latest definition files for various F-Secure products, including F-Secure Antivirus (for Workstation / Client security), F-Secure Internet Security and some of the business editions.The offline definitions can be used in situations when the Internet connection is down.I'm keeping tabs on a remote sever that is running Symantec Anti Virus Corporate Server 10.1.7.7001.About a month ago, the Virus Definition File version date stopped updating and hasn't updated since - 3/26/2012 rev. The automatic update has continued to run everyday, downloading the latest definitions, but not updating the version date in the client. Sometimes it downloads an update successfully and other times it says the virus definitions are up to date.
The first search result will be the icon for the Microsoft Security Essentials program. Step 2 Look at the “Virus and spyware definitions” listing in the main window on screen.In this case, the automatic definition updater in each F-Secure product will not work, since it cannot download the signature files from the F-Secure servers.The FSUpdate utility must be downloaded periodically, transferred to the offline computer and launched with administrative privileges.If anything else is written next to this listing, continue to “Step 3.” Step 3 Click “Update.” The box on screen will give you a detailed breakdown of exactly how recent your virus and spyware definitions are.You can check when the definitions were created, when they were downloaded and what version number your currently installed definitions actually are.