Google Chrome requires Java 6 Update 12 or greater (Java 6u12+), as indicated in the Google Chrome Help Center. Although the Chrome browser is not officially supported by Sun for Java 6, we at Sun are working hard to add formal support for Chrome as
解决flash builder beta2 licensing for this product has expired（此产品的许可证已过期）； 解压后存入Flex的安装文件夹plugins\com.adobe.flexide.amt_4.0.0.235740\os\win32\x86 替换源文件即可
