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Some .AVI files won't play. How do I do a complete uninstall of Quicktime on a Mac?

Disclaimer, I am not a mac savy guy!
Mac Pro running 10.4.7. User has 3 .AVI files that lock up Quicktime when she attempts to open them, other .avi files and .mov files play OK. I have copied the 3 .avi files to another mac and they open OK. Tried re-installing Quicktime and the problem remains. The only other thing I can think of is to completely uninstall Quicktime, restart, and then do a clean install of Quicktime but I am unable to figure out how to do a complete uninstall. This user also has Final Cut Pro installed, will uninstalling Quicktime cause a problem for Final Cut Pro? If anyone has an answer for this, or a better idea for troubleshooting, I'd love to hear suggestions. Thanks.
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adamant40
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adamant40
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1 Solution
 
leeds2000Commented:
My suggestion is to install VLC media player, this is an outstanding player that plays every videoformat you can think of :) and it works as well on Mac as on windows

you can find it here --> http://www.videolan.org/vlc/

Best of all, it is free :D
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wizeabeCommented:
This does sound like a missing codec problem, try downloading a codec pack:

http://www.free-codecs.com/download/K_Lite_Mega_Codec_Pack.htm

This installs mostly every codec needed as well as a player and several other usefull tools. Apparently this will work for Mac as well but never tried.
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cuziyqCommented:
Many people get confused as to exactly what an AVI file is.  AVI is not a video codec.  It is a container format.  The video itself could be encoded in MPEG2, DiVX, MP4, H.264, or whatever.  If Quicktime cannot read the format the file is encoded with, then it won't play even though Quicktime does support the AVI container format.  All AVI does is gives you metadata and the ability to seek within the file, streaming it over the internet, etc.

If this were a Windows box, there is a tool called GSpot that can look inside the file and tell you exactly what codec was used to encode the file.  I am sure such a tool exists for the Mac, I just wouldn't know what it is.  Leeds is right, however.  If the file is actually a good file (i.e. not corrupted in any way), then VLC will get the job done, although I don't like VLC's interface much at all.
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wizeabeCommented:
Try and use the GSpot tool that comes with the Mega Codec Pack and even though GSpot is available, the codec pack will install the codec required to play the AVI file. Of course this comes down to if Mac supports GSpot, I've only been told that this pack works with Mac.
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slyongCommented:
This question is in Apple zone, I suggest you try VLC as mentioned before or MPlayer from http://www.mplayerhq.hu/
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nichicksCommented:
VLC is the go here and for many other non Quicktime situations
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adamant40Author Commented:
Sorry, finally had a chance to revist this question. Downloaded the codecs did not help. I will try VLC or MPlayer and see if they are playable. Next thing is to try and do a complete uninstall of Quicktime.
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leeds2000Commented:
Yes the VLC player will work, i can guarantee that :)

as its uses little resources it is a great add on player for your video files. I myself just uses VLC media player, except for mp3 (winamp for this) :)

I hope the player works for you :)
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adamant40Author Commented:
Thanks for all the great suggestions, this was one of those posts where I learned a lot. I was able to get the files to play with the VLC player, but had to do a full Quicktime uninstall/reinstall to get quicktime to play them. Points go to the first person who suggested VLC.
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