FCP won't export MPEG2

Question

Just upgraded my OS to 10.5.7 from 10.4.9. No other changes to the system have been made but now FCP 4 will not export MPEG2. FCP locks up every time I try. FCP will still export QT and others, just not MPEG2. Never been a problem in the past. Any ideas?

Answer 1

You were delightfully clear. My point it your previous experience doesn't count for anything because of the drastic change you've made to the computer.
Think of it this way. Your computer is a human body that someone decides to do a heart transplant on even though the current heart seems to be functioning just peachy. Not only do they do a heart transplant, they don't bother to fully remove the previous version but simply splice in a few new valves and maybe a larger diameter aorta. So, this poor guy wakes up the next morning and finds that he can't walk because the new cobbled up heart just doesn't function as well as the older perfectly functioning one. All this flies in the face of the assurances of the Doctors (Apple marketing dept). They told him everything would be WONDERFUL when they were finished. Yea, right.
Let's not forget your liver 4.5 is not supported by heart 10.5.7
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