Avira is a good program to prevent viruses from infiltrating your system and also can scan your system for infections, but it's not that great at removing them. It offers only basic functions like blocking the virus or deleting the file it detected. More sophisticated virus (what's the plural of virus in english??) however quickly spread throughout your system and infiltrate the AV software you are installing or have installed. If they have managed that undetected, your system is seen as "compromised" and the only safe way to regain full security level is to format all harddrives that were attached during the infestation period. Many of the nasty buggers infest every harddrive and even changeable devices like USB sticks. But that's only IF your system is infected.
It kinda looks like some malware stuff...can't say for sure. There are many possible problems. Bad cache, temporary internet files...without further info like an error message or dump files it's hard to say anything.
However I do recommend having Avira running in the background. Its resource usage is next to none (no difference noticeable in any application/game regarding smoothness and FPS levels, perhaps an increase in loading times by 0,5% or something like that...on the other hand you get a very effective guard system preventing malware to fire up in the beginning. As soon as malware tries to do some changes, Avira immediatly blocks them and asks for user input (do you want to block, delete, ignore, quarantine?). Quite nice. Not perfect, but nice.
_________________ Kampagne XI - Vereinte Achsenmächte
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