there's an error in my flash program upon upgrading from CS3 to CS4

[Guest]

First, i'm using AS3.

I cannot divulge too much, but i have a multiscene, fairly complex flash program that runs fine in CS3. Upon upgrading to Flash CS4 - i can open the file and edit it any which way, but when testing it (ctrl+enter) i get an error in the output window (1009) and a blank test window, as if it doesn't want to start.

Why?

i can only provide few specifics if needed. thanks.

[Colin Holgate · Accepted solution]

There were changes in CS4 that could in some cases let you get away with things that you couldn't in CS3, mostly to do with going to a frame and trying to do something to an object that now exists on that frame. Error 1009 is what happens if you try to use something that isn't there yet. I guess it's possible that because CS4 is better at using objects at the new frame, that it may have triggered a problem that CS3 wouldn't have triggered.

In any case, first thing you could try is updating to the recent 10.0.2. That fixed a lot of issues, and may improve things for you:

http://www.adobe.com/support/flash/downloads.html