FlashBuilder Fails to Launch: JVM terminated. Exit code=-1

Problem:

FlashBuilder fails to launch, with a "JVM terminated.  Exit code=-1" error:

Solution:
Delete the following line from the FlashBuilder.ini file in root of your installation directory:

-XX:MaxPermSize=512m


The default installation directory on 64bit Windows 7 is:

C:\Program Files (x86)\Adobe\Adobe Flash Builder 4\FlashBuilder.ini



References:

1. http://www.blog.techsplice.com/archives/38