Rank/ProgramUsers

1. Windows Media Player36.8

2. iTunes15.8

3. AOL Instant Messenger15.4

4. MSN Messenger Service14.6

5. RealPlayer14.0

6. Yahoo Messenger13.0

7. WeatherBug5.6

8. Apple QuickTime4.1

9. LimeWire4.0

10. Desktop Weather3.7

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