wait, do you mean it won't open the project? or just won't open...
cause i had a friend who had the probelm where it would start to open the loady thing, but then wouldn't load past the "Opening IU Manager" or like I/O or something like that.
She just restarted her computer and it worked, but if it is the projcet then good luck cause i had a problem with a project once and couldn't continue on it .__.