7.1cs9 SUCKS!!!
I updated to 7.1cs9 BEFORE Digi posted their warning but by the time I figured out what was wrong my system directories were so corrupted that I had to reformat and load all my programs back in...
And this also occured when AIFF files were imported through the workspace/progect browsers...NOT JUST MP3/MP4 files as I didn't use either of those formats in any sessions.