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Avira Switches to New Update System to Solve the Recent Update Issues

Recently there have been a number of complaints about Avira anti-virus updating problems. Users of the free Avira AntiVir Personal had issues fetching the Updates in time because of the overloaded server.

To solve this issue Avira has changed the update scheme, they switched their current virus definition files (called iVDF) to a new format called nVDF.

iVDF consists of 4 VDF files, while nVDF uses at least 32 files - need to transfer less data for updating virus definitions.

Another change is using an additional Content Delivery Network (CDN) in order to redirect the update requests to servers close to the user’s location - Read More

Users of Free AntiVir Personl visit here to solve current issue.


  1. Avira is best and its free. Plus its not resource heavy like norton.

  2. @Abhishek, nice to see here after a long gap.


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