QUOTE (lttlebebop @ Mar 18 2009, 02:15 PM)

file doesn't play

There is either something wrong with your computer or with the project. In Video Wave, when you went to encode the file to "mpg for DVD, best quality", you said you got the error about the render graph. You fixed that, right?
In Video Wave, do you have the encoding set to software. To check, go to the top menu, select tools, then options and see if the dot is near hardware or software. if it is near hardware, switch it to software.
Did you use any 3D transitions in your project? You must change those because they will not be available in software render.
What Video card/chip do you have? If you have an older computer, the chip may not be fully DirectX 9c compatible. If it is not a laptop, the best thing to do is to buy a reasonable video card and put it into your computer, A video card with 256 memory on board is sufficient but 512 would be better. The cost would be between $75 and $100; less if you can get one on sale.
Please post all your computer specs.
When you did the encoding in Video Wave, after you did the updates, did the encoding start or did you get an immediate error?
Perhaps it is time to do a full
clean install.