Browse to the \lib directory of the Flex SDK, such as:
C:\Flex_SDK_2\lib\
After you add an SWC compiled with Flash CS3 Professional to the Flex Builder library build path of the project, design view no longer works.
The Flex debugger does not work with Adobe Flash Player 9 (9.0.45.0) in the Mozilla browser.
Install the patch that allows the Flex SDK and Flex Builder to use SWF files and SWCs created by Flash CS3 Professional. After you apply the patch, you can take classes and symbols compiled with Flash CS3 Professional and compile them into an application built with flex. You can also take classes and libraries compiled with Flex and use them in a Flash CS3 Professional project.
In addition, this patch allows Flex Builder and the Flex debugger (fdb) to function correctly when running or debugging with Flash Player 9 (9.0.45.0) in the Mozilla browser.
The Flex 2.0.1 patch for Adobe Flash CS3 Professional compatibility is delivered as a zipped file containing the following files:
You install the .jar files manually.
To update the SDK on Windows, Mac OS and Unix:
Browse to the \lib directory of the Flex SDK, such as:
C:\Flex_SDK_2\lib\
Download the flex_201_patch_final.zip file.