Best Free Antivirus

	Avast Free Antivirus Avast Free Antivirus is a well-rounded free antivirus package: It does a solid job at blocking malware, has a pleasant interface, and scans files quickly.
	Avira AntiVir Personal Free AntiVirus Avira AntiVir Personal does an great job at blocking and detecting malware, but its interface needs a makeover.
	Microsoft Security Essentials Microsoft Security Essentials is easy to use, but it lags behind newer products at detecting malware.
	Panda Cloud Antivirus Panda Cloud Antivirus is easy to use, but its scanning speeds are slower than average. Look for the Cloud Antivirus 1.3 update, which the company says should improve its attack-blocking capabilities.