I can not export file

[sunny1]

  hello everyone I just started using RAW video.I want to make a documentary.and I encountered a big problem
The recorded raw video is 3.99GB.I can not open it with all the software.include[raw2dng,mlrawview,rawanizer
In the rawanizer prompt Arithmetic operation causes overflow,Then they can not export DNG.But Small files can be opened.help me please.I'm sorry I.m not live in an English speaking country.So there will be some mistakes.
and finally I wish your all a happy day!
I use canon 5d2 magic lantern v2.3  raw file

[Walter Schulz]

Camera type not mentioned.
No build version mentioned.
Not mentioned if RAW or MLV is used.
No OS version mentioned.
No version info for tools.

I suppose you haven't copied all the files (*.?00, *.?01) to your computer.
Do that and give MLVFS a try.

[sunny1]

Thank you very much I use canon 5d2 magic lantern v2.3 pc. 

[dmilligan]

v2.3 can't record raw video. Please give the full build version and date.

You still didn't give any answer 3 of Walter's questions.

http://www.catb.org/~esr/faqs/smart-questions.html

If you are having trouble with English, you might try posting your response in English and your native language.