i did everything , i can. i reinstalled fcp , and then i went to the apple menu for software upgrade. now instead of fcp4 , i have fcp hd. it's all a tragedy for me. i'm not able to practice since i bought my g4. still need help
What version of QT are you on? If I were you, I'll go back again, and maybe get tiger onto a much earlier version and go on a late version of QT 6. It's never a good idea to run an extremely modern OS/QT on a fairly old version of FCP/machine.