Rank/ProgramUsers

1. Windows Media Player37.0

2. iTunes16.5

3. MSN Messenger Srvc.15.2

4. AOL Instant Messenger13.9

5. Yahoo Messenger12.7

6. RealPlayer10.5

7. LimeWire6.5

8. MySpace   5.1

9. WeatherBug4.9

10. Desktop Weather3.6