Hi, 100% confirm it was the file put in the RC8 release area:
Justins-MacBook-Pro-3:FlexInstaller3.1RC8 justinmclean$ cat apache-flex-sdk-installer-3.1.0-src.zip.md5.txt ebeeec98544943f176d0fe6798842c44 Justins-MacBook-Pro-3:FlexInstaller3.1RC8 justinmclean$ md5 apache-flex-sdk-installer-3.1.0-src.zip MD5 (apache-flex-sdk-installer-3.1.0-src.zip) = ebeeec98544943f176d0fe6798842c44 Justins-MacBook-Pro-3:FlexInstaller3.1RC8 justinmclean$ curl https://dist.apache.org/repos/dist/dev/flex/installer/3.1/rc8/apache-flex-sdk-installer-3.1.0-src.zip.md5 ebeeec98544943f176d0fe6798842c44 Justin
