F-Secure Virus Definitions download

Latest virus definitions for F-Secure Anti-Virus 5 and F-Secure Anti-Virus 4.

Click here to download.

AVG Antivirus Update April 12, 2009

File to manually update AVG when automatic update fails.

Click here to download.

Avira Antivir Virus Definition File Update download

Update AVIRA Desktop for Windows with latest virus definitions and scan engine.

To update Avira:

1. Download the latest virus definition file (IVDF) on a PC with internet access.


2. Start AntiVir Personal Edition Classic / Premium.


3. Click on Update and select Manual Update.


4. Select the downloaded IVDF file.


5. Your AntiVir PersonalEdition Classic / Premium is now up to date.

Click here to download the IVDF file.