[Flash Builder 4.6] encounters "FlashBuilder.exe has stop working"

We encounters "FlashBuilder.exe has stop working" error messages during editing or build code

Please help, thanks.

[Flash Builder 4.6] encounters "FlashBuilder.exe has stop working"

Windows Edition: Windows Server 2008 Enterprise Service Pack 1

Processor: 4 Processors      Memory: 16GB        System type: 32-bit OS

Flash Builder Edition: Flash Builder 4.6  (with SDK 3.6.0/4.5.0/4.5.1/4.6.0)

java.version: 1.6.0_16

Flash Builder.ini JVM configuration

vmargs

-Xms512m

-Xmx1024m

-XX:MaxPermSize=256m

-XX:PermSize=64m