You will find the solution for this problem in the FAQ topic, [
www.flasheff.com]
I am getting the following message when I try to install FlashEff2: "FlashEff extension can not be installed because it requires Flash 9 or later" What can I do to get rid of it?
A: The above error message always appears when the Extension Manager used to install the component is not compatible with the Flash version you have installed on your machine. To prevent that error you will always have to use an Extension Manager compatible with the Flash Version you own. Example: Adobe Extension Manager CS3 for Flash CS3, Adobe Extension Manager CS4 for Flash CS4 and Adobe Extension Manager CS5 for Flash CS5. You can always download any version of Adobe Extension Manger by clicking here
