Microsoft Security Essentials, the free antivirus in Italian for Windows XP, Windows Vista and Windows 7, was judged as a valid tool for the real-time protection of your computer and the detection and removal of viruses and spyware. As for all the antivirus, very important always have the latest virus definitions, especially when surfing the internet, where, if you don't surf carefully, it's very easy to get your computer infected.Anyone who has many computers, or does not have a fast internet connection or uses an internet key to connect, can avoid having to download virus definitions updates from the computer where the antivirus is installed to be able to update.
In fact, just download a file that allows you to update the antivirus simply by running the file itself. If you don't have internet you can download the file from some friends and then copy it to your PC. The file to download is available for both 32bit and 64bit operating systems, choose the right file based on your operating system.Remember that in order to perform the necessary update run the file as an administrator.
Download definitions update for Microsoft Security Essentials with Windows 32bit (x86)
Download definitions update for Microsoft Security Essentials with Windows 64bit (x64)