Windows Movie Maker.....Pissin me OFF!!!!!

AHHHH, i need help....Movie Maker for windows is seriously pissin me now! I worked for hours on a video, nearly two days, and it WON'T SAVE!!!!!! OMFG !!!!!!!!! I made sure all the clips i used were in the same location with the same names.....but when i watch it, something happens......Like at certain parts the video will either seriously lag, or the music will stop playing.....but when i move the timer back and forth a little it'll play fine.....What's the problem, and what should i do?

 

Sound and video lag might just be when you preview it, this tends to happen with a lot of editing software. I think it's because the processor and ram is working hard and sometimes doesn't keep up. It's unusual for it to be like that on the exported video, although again, it depends on the spec of the computer you're using. The one I use for editing is an AMD Athlon 3000, with a reasonable amount of memory, and even that sometimes jumps and also if you watch the preview of a video for more than a few minutes, the sound and picture go out of sync.
I can install the same editing software (Premiere Pro 1.5) on this internet pc, and it will run, but it's very slow and it doesn't like it much. (only an AMD Duron 1000)
I've only used Movie Maker on a few rare occasions when I've wanted to use it for an effect or transition I couldn't find on Premiere Pro or Sony Vegas.
Is it Movie Maker 1 or 2, and how long is the video you've got. Does it save as a project ?

I might be way off the mark here, but what file system is your hard drive ? If it's FAT32, I believe there's a limitation on the size of files. (NTFS - not limited). I don't know if this is relevant but I thought I'd mention it just in case.

If it is a FAT32 file system issue, one possible way round it (theoretically at least) would be to copy all the video files you've used in the project, and put them onto CDs or DVDs in their original format (also copy the project onto a CD), then find a computer that has its hard drive/s formatted with NTFS. Copy all the video files and the project file to a folder on this computer, open the project. You will probably have to tell Movie Maker where to find all the files. This does work in Premiere because I tried it to see if would.
I'm sure there must be a solution (and hopefully one that's easier than the one above).
Second possible solution (again only if your computer has FAT32) is to install a second hard drive, format it with NTFS, and copy all the video and project files onto it.