You could always throw some alerts in the code to get a better idea of where in the code the lockup is failing.
--- In [email protected], "dfalling" <[EMAIL PROTECTED]> wrote: > > Our previously-stable Flex App was working great until Flash Player > 10. Now it locks up on an mxml page, but only when not in debug. How > do I debug something that doesn't happen in debug? Are there any > known issues that I can try to workaround? > > Thanks. >

