Audio extract on multiple clips causes iMovieHD to crash

I recently imported some Digitial Video pieced together multiple clips. Everything was fine until I decided to selected multiple clips and extract audio. As the last clip finished, the application crashed and tried to submit an error report to Apple. I sdd my commentary, but the send/submit button on the lower right remained greyed-out, so I couldn;t repor tthe error. I tried the whole process again, except only selecting maybe 5 clips totaling 10 minutes, but the same two probelms occurred again- crash and failure to allow report of the crash. I am using that latest 10.4.6 build on my Spring 2005 iMac G5.

Hi Marc - welcome to the forum!
My first question would be: do you really need to extract the audio? Explain what you have in mind, because there may be no need to do it.
Because iMovie now employs what is called non-destructive editing, when you extract the audio, you are not only extracting from the visible clips in your Timeline, but also from the underlying source clips (which may be much bigger). This could therefore be a heavy task, causing the crash.
Not sure about the greyed-out button.
Is your project saved to your internal drive?

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Audio extract on multiple clips causes iMovieHD to crash

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