Today will messing around with itunes I discovered a glitch. I also discovered how to fix this glitch. I'm going to try it again latter to see if I can recreate it. Below is what I did.(Im using Windows XP with latest version of itunes)Steps 1-9/10'ish you can repeat this glitch with.

1.Double click on movies while in your library of music.
2.Right click on a movie and choose get info.
3.enter something
4.Exit out of the window by file...exit, this will close itunes
5.Open itunes again, movie window and itunes will pop up.
6.Close movie window by x button
7.wait for a bit and/or if nothing happens click on something
8. Windows will report and error and close itunes.
9.Open itunes again, and the movie window and itunes window will pop up like before.
10. Repeated 5-8 like 10 times

This is what I did after:
11. Uninstalled itunes
12. Reinstalled itunes
13. itunes did steps 5-8 again >_>

Heres what I did to fix it:
1. Opened itunes
2. right clicked and choses get info on a movie file
3. Waited a few seconds and then clicked ok.
4. Closed the movie window
5. itunes was back to normal 0_0

This glitch was a pain in the butt until I figured out how to fix it. I could play music in my library, I just had to leave the stupid movie window open all the time, otherwise itunes would error and crash.