The application iTunes quit unexpectedly.

Recently did all of the software updates on my mac. Problem is iTunes does not work anymore.

Everytime I try updating it to the newer version of iTunes, an error always occurs.

When I try launching iTunes, I always get this message: The application iTunes quit unexpectedly.

Apparently, no other applications are affected, but everytime I try relaunching it's still the same problem.

Any suggestions? Please help!