FAQ: I'm having trouble installing Flash Catalyst CS5, how do I clean up beta installations?

The majority of users have trouble installing Flash Catalyst CS5 when they have not properly run the uninstaller on a previous version (typically a beta version).

If this is the case, the first thing you should try is running the Adobe CS5 cleanup script: http://kb2.adobe.com/cps/829/cpsid_82947.html