I recently installed movie maker onto my computer to just splice a few clips together, and once I tried to save (using the "recommended for your project" setting) and it stopped at 95% for a few minutes. I quickly realized that I was saving with the wrong file type, so I tried saving again, this time using the "save for computer" option and it just stopped at 0% and stayed like that for an hour, so I tried it again a few times (about 10) and still, the same thing happened.