Help - can't open .mpg file with Quicktime 7.3

Hi folks,
Just tried to open a .mpg file of a recent santa visit for my little boys and Quicktime indicated it couldn't open it saying it wasn't a movie.
I upgrade to Quicktime pro but that didn't solve the problem.
Any thoughts as regards possible symptoms ? When I left Lapland the assistant played back the clips on a USB disk so it seems as if the file is okay !?
I was trying to import the clip into an iMovie project to burn a DVD in time for Christmas - any other application I could use as a workaround to get this into a format that iMovie would recognise ?
Thanks,
Kieran.

Apple Discussions!
Check to see if anything in the following threads are of any help:
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http://discussions.apple.com/thread.jspa?threadID=1301325&tstart=50

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Date: Wed, 30 Jan 2013 10:58:01 -0800
From: [email protected]
To: [email protected]
Subject: I can't open NEF files with PS Elements9 (Mac) and have just performed all avail. updates
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     Please note that the Adobe Forums do not accept email attachments. If you want to embed a screen image in your message please visit the thread in the forum to embed the image at http://forums.adobe.com/message/5034913#5034913
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I can't open NEF files with PS Elements9 (Mac) and have just performed all avail. updates

I can't open NEF files with PS Elements9 (Mac) and have just performed all avail. updates. What to do?

Many thanks!!! This works and is probably the best fix for now. Thank you!!!
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From: [email protected]
To: [email protected]
Subject: I can't open NEF files with PS Elements9 (Mac) and have just performed all avail. updates
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     Replies to this message go to everyone subscribed to this thread, not directly to the person who posted the message. To post a reply, either reply to this email or visit the message page: http://forums.adobe.com/message/5034913#5034913
     To unsubscribe from this thread, please visit the message page at http://forums.adobe.com/message/5034913#5034913. In the Actions box on the right, click the Stop Email Notifications link.
     Start a new discussion in Photoshop Elements by email or at Adobe Community
For more information about maintaining your forum email notifications please go to http://forums.adobe.com/message/2936746#2936746.

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