应该使用哪些Windows“性能监视器”设置来调试抛出InvalidBitmap错误的Flash影片？

Here's my problem:

这是我的问题:

I have a Flash swf that uploads files from local machine and if they are images it resizes them if needed. This involves creating a JPGEncoded bytearray from a bitmapData object. After im finished with the bitmapData I dispose() of it. I have a Flash s