I'm glad I'm not the only one for Muv-Luv, I had a lot of problems as well (I was on Windows 7 though). I got Extra to work, but for whatever reason when I got to Unlimited it'd either crash or the patch wasn't applied and I only got the Japanese text... I looked into what a few people did, but either they didn't work or I didn't have the programming know-how (note: I have zero programming know-how) to fix it. Even tried the old uninstall/reinstall standby, which... didn't work,. lol. A shame, I really wanted to continue the series, since I suffered through Extra