Windows Movie Maker is Jacking up?!!?

you could make another project and copy & paste what you have already put onto your old one then on to your new one if it lets you. i think i've had that problem before so i copied & pasted and i think it worked. sometimes it might be that a project is old.idk.lol.if that makes sence...write back to me and tell me if it worked. my e-mail is wildangelgirl96@yahoo.com