I was able to install it. I couldn't figure out how to kill anything though. I tried jumping on them and near them and I would just die. It's a neat little game though, I like the graphics.
That's awesome that you're using XNA, I've been wanting to learn C# just for XNA, but I just haven't had the time. Very impressive!
If you added maybe power-ups or something, that might be fun--just an idea. But yeah, no installation problem here.