Avira is a great security program developed to offer you complete protection against Internet threats (spyware, virus etc.) and to preserve your data and privacy.
In order to maintain your computer virus free or to secure yourself against hacker attacks or data theft, you should keep your Avira software up to date.
The definitions files used by Avira system engine are updated numerous times a day, offering Avira software the power to secure your computer against the newest electronic threats. This is why is very important to always keep your Avira security product updated.
If your PC doesn't have an operating Internet connection, you can make an offline update of your Avira product by downloading and manually install the VDF file, which includes the detection patterns used by Avira engine.