If you are connected to internet, then your antivirus downloads updates and installs them automatically.What about if your computer does not have internet connection? Your antivirus must be updated with latest virus definitions so that it will detect the latest viruses and removes them.
Downloading Avast Virus definitions manually
1. Just go to avast website’s Update page
2. You can observe download link for latest anti virus definitions, click download button for the version you’re using.
3. Save to your USB drive, run the update file in your computer
4. Now your Avast Antivirus is updated and your computer is protected from latest viruses.
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