Avira Free Antivirus offers basic protection against viruses, worms, Trojans, rootkits, adware, and spyware that has been tried and tested over 100 million times worldwide. What's more, it is available free-of-charge. It not only protects against these types of malware, but offers as well, in case of an infection, the possibility of removing viruses very easily and repairing the system automatically.
Avira Free Antivirus stops all kinds of viruses.
AntiAd/Spyware protects against adware and spyware.
AntiRootkit detects hidden rootkits.
QuickRemoval removes viruses at the push of a button.
NetbookSupport support for computers with low resolution.
AHeADTechnology detects even unknown viruses by their profiles.
AviraSupport there for you in person when questions arise.