Although automatic updating is the best way to stay protected, you can update Avira antivirus manually anytime. For Windows users, the easiest way is to right-click the Avira icon in the taskbar and select Start update. You can also use our free Avira update tool to perform an Avira manual update. Germany-based Avira knows security, privacy, and performance. And when they realized that no other company in the industry was offering a single, integrated suite of all their free software, they decided to package all our free solutions for protection, privacy, and performance into a single, unique experience for Avira customers.
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Because Avira updates its detection files silently and automatically, most of our users never need to install their own virus definition updates (VDF).
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Performing an Avira manual update is only necessary under special circumstances, e.g., initiating an Avira VDF update without an internet connection.
Performing an Avira manual update
Although automatic updating is the best way to stay protected, you can update Avira antivirus manually anytime. For Windows users, the easiest way is to right-click the Avira icon in the taskbar and select Start update.
You can also use our free Avira update tool to perform an Avira manual update. This utility creates an archive (fuse bundle) containing the latest engine, the Avira VDF update files and the corresponding Avira antivirus update control files (info.gz).
Performing an Avira manual update
The names of all viruses added to the each Avira VDF update file (IVDF) are available on the VDF History page.
Why use the Avira update
The Avira manual update tool, also known as the Fusebundle Generator, allows you to create an entire antivirus update archive incrementally. In other words, you no longer have to download an entire archive for each engine and signature update.Download the Avira Update Tool
Looking for the latest Avira
Head over to our download section, where you’ll find the most recent versions of our products. There you can not only download Avira antivirus update files for home and business, but also find management utilities, repair tools and complete product documentation.Go to the Avira Download center
Avira VDF Update
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To update Avira manually using the Fusebundle Generator, simply follow the steps outlined below.
Please see the how-to (PDF) for detailed information on configuring and using the Avira antivirus update tool.
DOWNLOAD THE AVIRA UPDATE GENERATOR.
The Avira update free tool (also known as the Fusebundle Generator) can be found here.
UNPACK THE AVIRA MANUAL UPDATE APPLICATION.
Decompress avira_fusebundlegen-win32-en.zip and open the avira_fusebundlegen-win32-en folder.
RUN THE AVIRA UPDATE GENERATOR.
Double click on fusebundle.exe and wait for the fuse bundle archive (the Avira VDF update, engine and control files) to be generated. A new Install folder will also be created; this is where you can save vdf_fusebundle.zip.
INITIATE THE AVIRA ANTIVIRUS UPDATE.
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Open the Avira product, click Update from the top menu and select Manual Update.
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LOAD THE AVIRA UPDATE ARCHIVE (THE FUSE BUNDLE).
In the popup window, navigate to the Install folder and open the vdf_fusebundle.zip archive.
All existing detection files will be replaced, even if they are newer than those in the generated archive. A progress bar will indicate the status of your Avira antivirus update.
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Performing Avira VDF updates on Unix
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Before you update Avira manually using the Fusebundle Generator, please make sure that the old files are moved into a backup directory. If you don’t move the files and simply overwrite them with the new Avira update files, the product might behave strangely or even malfunction. Once the old files are set aside, unpack the archive and the restart or reload the product.