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Knowledgebase : Avira AntiVir > Avira Installation Issues
   

Would it be wrong to install multiple antivirus programs in parallel? If you want to install more antivirus programs in parallel, you have to observe the following rules: Install only one on-access scanner (Guard). Decide which on-access sc...
Be aware of false anitvir providers. There are several websites which try to sell our free of charge Avira AntiVir Personal (AntiVir Personal Edition Classic), or they offer paid download, or ask you to register first. Please, make sure that you vis...
The Avira icon has disappeared from the tray, next to the clock, in Windows 7 By default, Windows 7 only shows system icons in the tray, next to the clock. The icons of all the other applications and security programs can be found under Notifications...
Where can I find detailed version information? You can find detailed version information on AntiVir's main screen: in the Help menu, select About Avira AntiVir... and click on the Version information tab. It contains the list of the most important pr...
I’m no longer receiving any emails. What could be the cause? The most likely reason is that your mail server is not available. Please check your server settings. Updates to your firewall or switching to a new firewall can block the delivery...
Instructions for manual uninstall In order to remove the Avira program, go to Start - Settings - Control Panel - Add or Remove Programs (Windows 2000/ XP) or Start - Control Panel - Uninstall a program (Windows Vista / 7). Wait for the list of inst...
What should I do, if the AntiVir Update does not run? In case you can normally open other websites, but AntiVir update does not run, you should check if the file update.exe from AntiVir is eventually blocked by an installed firewall. If you are not f...
What is the procedure for the manual update (VDF Fusebundle)? Please carry out the following steps to update your AntiVir Software on a PC without Internet access. Download the latest virus definition file (VDF) on another PC, with Internet access...
Should I deactivate Windows Defender, if I use AntiVir? If one of the Avira modules remains inactive after installation on Windows XP, Windows Vista or on Windows 7 we recommend that you deactivate Windows Defender. You can check the Windows System E...