after upgrading my i tuns i cant open says quick time needs to be 7.5.5 or more wth

Hello amyluvscarolyn

Depending on what version of Mac OS X you are running, you may have a newer version. If you are needing QuickTime 7, then check out the article below for the correct links to download for your system.

Installing QuickTime Player 7

http://support.apple.com/kb/HT3678

Regards,

-Norm G.