New browser and standalone Flash Player downloads to use with Flash CS4. This will update the player you use when you publish preview in HTML or debug.
The update replaces the Debug and Release versions of Flash Player 10 browser plugins and standalone players that are included in the initial release of Flash CS4 Professional (player version 10.0.2.54). All users are encouraged to apply this update. These new players are version 10.0.32.18.
More information, and download them here: