Flash (AS3) and Arduino connection

I am urgent to connect Flash CS4 (Action Script 3) to Arduino IDE 0013. I use this tutorial:

I have a problem as described in the 4th item of tutorial’s troubleshooting section. And I did what the

solution tells me to do. But it didn’t work. Still can’t see the “Firmware version: 2” message.

Any suggestion or solution? Thanks so much.