Q: my itunes does not open

Hi, coady19. 

Thank you for visiting Apple Support Communities.

Here are a couple helpful troubleshooting articles that I would recommend when experiencing issues with iTunes becoming unresponsive or unexpectedly closing.

iTunes: May become unresponsive when connecting iPhone, iPad, or iPod touch

http://support.apple.com/kb/TS3219

iTunes for Windows Vista or Windows 7: Troubleshooting unexpected quits, freezes, or launch issues

http://support.apple.com/kb/ts1717

Apple software on Windows: May see performance issues and blank iTunes Store

http://support.apple.com/kb/TS4123

Cheers,

Jason H.