When trying to activate the license, the program displays "There has been a licensing problem. ESellerateErr -2009."
Please download Flip Player. Once you install Flip Player into your Applications, Launch Flip Player > Preferences > License > Click the lock "bottom left" > Enter Serial Number".
Once you activate, open your Flip4Mac 3.3.x.dmg and run the installer. You will NOT be asked to enter a serial number since you have already activated. Once the installer has successfully completed, you should have access to viewing windows media files.