Top Antivirus Performers
Kaspersky's first-rate but pricey program offers a smooth, easy-to-use design and excellent protection against malware.
Erik Larkin, PC World
Bottom Line:
Trend Micro's poor performance at detecting malicious software (overall and proactive) put it at the bottom of the barrel in our ranking.
PC World Rating:
71 (Good)
- Download price when reviewed: $40 ($40 renewal)
- Malware detection rate: 82%
- Proactive detection: 43%
- System slowdown: 9%
- Ease of use: Good
- False-positive detections: 0
- Last Rated: April 23, 2007

Bottom Line:
The least-expensive program we tested, AVG has average overall malware detection, the worst proactive protection, and a clunky interface.
PC World Rating:
77 (Good)
- Download price when reviewed: $30 ($15 renewal)
- Malware detection rate: 91%
- Proactive detection: 34%
- System slowdown: 2%
- Ease of use: Good
- False-positive detections: 1
- Vendor's Web Site:
- Last Rated: April 23, 2007

Bottom Line:
This program has decent overall malware detection, but poor proactive protection and an awkward interface. It also lacks U.S. phone support.
PC World Rating:
78 (Good)
- Download price when reviewed: $40 ($28 renewal)
- Malware detection rate: 92%
- Proactive detection: 37%
- System slowdown: 4%
- Ease of use: Good
- False-positive detections: 5
- Last Rated: April 23, 2007


