A feature of most of our programs is their ability to update themselves automatically. If you are connected to the Internet, virus database updates are downloaded and installed automatically without any user action. The availability of a new version is checked when an Internet connection is established, and every four hours afterwards. Update files can also be downloaded from these pages if required e.g. if your computer does not have an Internet connection. Updates are usually released on a daily basis.
This is the latest virus definitions for avast! 4 Home anti-virus program. iAVS is a fast, small, incremental and fully automated update via the Internet. Updates are released at least twice a week. No reinstallation of the program is needed for virus database updates! If you are connected to the Internet, updates are downloaded and installed automatically without any need for user action. The presence of a new version on our servers is checked when the Internet connection is established, and every four hours afterwards. Please download the following file only if you really need it (e.g. if your computer does not have any Internet connection).
