Frequently asked questions (FAQ)

Here you can find the answers to the most important questions regarding our products. Please find a detailed instruction in the Avira Knowledge Base.

Upgrade AntiVir Windows Server, Version 8

Upgarding to Version 8.1 of Avira AntiVir Servers for Windows

How is the new Avira AntiVir Server, Version 8 administered with the Avira Security Management Center 2.1 (SMC)?

Who can I contact, if I have questions regarding migration?

What happens to the configuration settings of the old version?

Avira General

Why does Avira GmbH offer a freeware at all?

Is there any difference in the virus detection of Classic and Premium?

What is the difference between on-access and on-demand scanning?

What is the difference between AV Guard and AV MailGuard?

Which AntiVir version contains a Firewall?

What is heuristic?

What exactly means "Use smart extensions"?

Does AntiVir detect DLL injections?

Does Avira supply Spam protection for private users?

Where do the unusual file names in the logfile come from?

Which sections of the file are scanned?

Where can I see which AntiVir product is installed?

To what extent does Avira support Windows Vista?

How can I get the AntiVir software?

Could I ask for a CD with the AntiVir software?

Does the download of the installation file for AntiVir software cost anything? Are there additional costs?

Is the source code of the AntiVir programs for Linux freely available?

Why can I not log in to the Forum with my user data from the Online Shop?

How can I get a license file?

Why can't I open the license key?

Why don't I receive per email my license key?

Securing the license file on an external data support.

How does the license extension work?

What is the Auerbach Foundation?

What is Cleverbridge?

I can't find an answer to my question here. What shall I do?

Avira Vulnerabilities (English)

CAB: Extraction aborted because of invalid version number

CAB: Extraction aborted because of manipulated CAB archives

Problems when parsing manipulated RAR archives (support for high version numbers)

Infinite loop in TAR archives

AVPack aborts extraction because of invalid packed size archives

Divide by zero's in UPX files

All about Malware

How to disinfect your website

How to remove viruses

How frequently are VDF-updates available?

What are Rootkits?

A PHISH detection appeared, during an AntiVir scan. What should I do?

I have received a HEUR virus warning. What should I do now?

Most popular topics