Flash MX halting on command deselect all

Hi please help me. I have a an image imported from illustrator. The Problem is, my Flash MX was always halted every time i desellect the images.

my fla files was 5MB, im using 2000 server with 1 gig memory. If im working with small files theres no problem.

Anyway the file im working is a map.

thanks!
sonnie