Text spacing/shifting in flash cs4?

Hey guys, I am new to the forum, I have used Flash MX 2004 for quite a while and had never had this problem, recently I gave my site a “facelift” in CS4 and I got it exactly how I wanted it, I exported the swf file and saved the flash file. That was a few days ago, Today I wanted to add a new piece to my portfolio so I opened the same exact file today and everything had shifted! SOOOO FRUSTRATING as I felt I had finally achieved what I wanted to. Any ideas on how to have this never happen again?

This is the one I was really happy with:

This is the same file 2 days later:

would love some help if you guys have any ideas as this is so bizarre

thanks!