Movie works great on computer but won't burn?

I’ve burned many movies with no problems. These movie’s are in .avi format on my computer. Every once in awhile I have a movie that is great quality and works great on my computer but when I go to burn it I get an error message. Any idea why this would happen? (I thought if it played on my computer it would definately burn)

More details plz?!!!!!!!!!!

OK - During the burning process (using NeroVision Express or Ulead DVD Movie Factory)I get an error message. The movie is partly burned.
This is part of the error log I got when using NeroVision.
_________________________________________________

[14:24:42] DVDEngine 2:24:41 PM #24 Text 0 File BurnAtOnceRecorder.cpp, Line 2160
[14:24:42] DVDEngine Failed to write 112 sectors at 739312
[14:24:42] DVDEngine
[14:24:42] DVDEngine 2:24:41 PM #25 Phase 179 File APIProgress.cpp, Line 276
[14:24:42] DVDEngine Writing file to disc failed
[14:24:42] DVDEngine
[14:24:42] DVDEngine Existing drivers:
[14:24:42] DVDEngine File 'Drivers\PXHELP20.SYS': Ver=2.03.16a, size=20576 bytes, created 21/10/2004 9:37:35 PM (Prassi/Veritas driver for win 2K)
[14:24:42] DVDEngine Registry Keys:
[14:24:42] DVDEngine HKLM\Software\Microsoft\Windows NT\CurrentVersion\WinLogon\AllocateCDROMs : 0 (Security Option)
[14:24:42] DVDEngine _Xcept (): Signalling Exception: 129 NeroBAOWriteToFile() returned error condition _BAOFile::Write()
[14:24:45] DVDEngine ********END: _VOBS - Process VOB
[14:24:45] DVDEngine ******END: VTSTT_VOBS#1 - Process Create
[14:24:45] DVDEngine ****END: Create - VTSTT_VOBS#1
[14:24:45] DVDEngine **END: _DVDVideo - Create
[14:24:45] DVDEngine #################################################
[14:24:45] DVDEngine ERROR
[14:24:45] DVDEngine cause: 66 (write_fault)
[14:24:45] DVDEngine source: _VOBS
[14:24:45] DVDEngine description: The system cannot write to the specified device.
[14:24:45] DVDEngine #################################################
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The movie is a file on my computer and plays all the way through perfectly.

I still don’t get it what U R trying 2 say? R U trying 2 convert an avi 2 vob? If U do..don’t use nero vision xpress but instead open nero burning rom n click make dvd compilation.(after the conversion) VIDEO_TS

Hmmm...
I’ve never had to convert avi’s before. The programs I use do that during the burn process.
I’ve burned many movies (avi’s) and never had a problem.
Basically I guess what I’m trying to ask is ...
If the movie plays fine as an avi on my computer, what would cause that same movie to have an error while burning?

If U just merely want 2 play on ur pc, then U don’t need 2 burn them(avi) at all in the 1st place..unless U want 2 watch them on ur home standalone dvd player. Some dvd player r equipped with so called divX/Xvid decoder where U can play avi files s burned data cd. What I am thinking now is so called mpeg 4mat also known s vcd that U R burning. But anyway her r some tips 4 U.
1. 2 convert avi 2 dvd use winavi video converter.
2. 2 convert BIN/CUE file use vcdgear.(Bin is an image file ready 2 b burn on normal cdr by using only the CUE)
3. 2 convert avi 2 mpeg use tmpgenc or nero build file encoder.
or
visit this website 4 more tutorial in4mation.
www.videohelp.com/

Hi guys n gals I am in need of some schooling on the whole downloading and burning movies. This is what I do and please tell me what step I am missing because I know Im doing something wrong here. I go to a torrent site such as mininova find the movie that I want that says dvd rip beside it, which is hard beacuse they are mostly divx or xvid which I have no idea what that means. So my utorrent downloads it then I open it in dvd flick and burn it sometimes it works and then sometimes it burns but when I play the movie it skips a bit. The movies I want that say divx I cant burn them they wont play on quik time or media player so I usually have to delete them because I cant figure why I cant open it. Thanks sooo much for your response.