Avast! Virus Database
Avast! Virus Database includes the latest virus definitions for your Avast! antivirus. Avast! is ability to update 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.
Please Note: No reinstallation of the program is needed for virus database updates.
The license of this software is Update, you can free download and free use this antivirus update software.