Why won't a VERY LARGE QUICKTIME file play on my powerbook?

i have a large .mov file on disk (in the vicinity of 3 GB) that appears to be non-functional.
after inserting the data dvd into my computer, my powerbook will recognize the file as a quicktime file but it won't play.
this is what happens:
(1) it is not able to calculate its size
(2) when i double-click the file, QUICKTIME PRO opens but the following error message appears: "the movie could not be opened. the file is not a movie file."
i ran the disk over to a friend's macbook pro, and experienced the same problems, so i'm thinking that it's not my powerbook, but i have a hard time accepting that the problem is with the disk since it was generated by a professional service who created three data disks for me in all, of which one of them works (it's a disk where all of the .mov files are under 1.6 gb) while the other two disks (each of which contain files that are larger than 1.6 gb) do not work.
does anyone know what could be causing this problem? any ideas of how i can resolve this?
is it possible that powerbooks and macbook pros are not powerful enough to handle this kind of file?
any help would be greatly appreciated. btw, i'm using the most recent version of QUICKTIME PRO and i've recently updated my codec library, so i should have that covered (plus, none of the error messages mention anything about missing codecs).
thanks again.

thanks for responding. that's good to know that a 3+ GB file works on your machine, but this particular problem is not yet solved.
we can now say that it may not be the file size.
when i open the disk on a macbook pro and let it sit there for 25 minutes or so, the computer is still not able to estimate the file size but it does recognize the file as a QuickTime file.
when i attempt to drag the file onto the desktop, the following COPY error message comes up: "SORRY, THE OPERATION COULD NOT BE COMPLETED BECAUSE AN UNEXPECTED ERROR OCCURED (CODE -50)."
as i mentioned earlier, the other disk that was generated during this session works fine (however, that particular disk contained several smaller QuickTime files while the problem disc contains only ONE LARGE QuickTime file).
thanks very much to anyone who can provide me with some help.

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View products that this article applies to.
Article ID : 919543
Last Review : June 7, 2006
Revision : 2.0
On This Page
SYMPTOMS
CAUSE
RESOLUTION
STATUS
MORE INFORMATION
Steps to reproduce the problem
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STATUS
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