Aperture video missing red channel on playback

Aperture video missing red channel on playback.  Also some pictures appear to have missing pixels.
Video played with Quicktime doesnt have the missing red channel.
When trying to playback video,in aperture, it plays with missing frames, missing pixels and the crashes entire computer. My computer is a Mac Pro desktop with 24 gb memory with 3.33 ghz 6-core processor running Version 10.9.2 and Aperture 3.5.1
Any suggestions on my problem?
thanks
Pat

Never had anything before crash the whole system since OS8 or so.
Back up your system, without deleting older backups - just in case; that looks like a possible system trouble.
Also they some have been in Aperture for a while and they used to be OK.
Do the videos play in QuickTime Player or any other software, if you export or reveal the originals?
Can you play your videos, when signed into another user account?

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