HT1222 Every time I try to install an update for iTunes 11.0.2, I get an error message 103. Has anyone else had this problem and found a way to fix this?

Question

Every time I try to install an update for iTunes 11.0.2, I get an error message 103.  Has anyone else had this problem and found a way to fix this?

Answer 1

I did it the .dmg way alone and has problems with itunes crashing. This is a better way to ensure that there is not anything left behind to cause issues.
You need to backup your computer then uninstall I-tunes and reinstall itunes.
Delete iTunes
Deleting iTunes is not recommended unless you know what you’re doing.
Launch Terminal from the UTILITIES within Applications
Type the following commands:
cd /Applications/
This brings you into the Applications directory, the next command deletes iTunes itself:
sudo rm -rf iTunes.app/
Enter the Administrator password to confirm
There is no warning or confirmation other than entering the admin password, iTunes will immediately be deleted, effectively uninstalling it from the Mac.
Deleting the iTunes application will NOT delete the ITUNES or music, and any purchases bought through iTunes will still remain tied to the Apple ID used to originally buy them.
You can download the newest version from Apple, and running their installer will bring iTunes back to life on your computer.
http://www.apple.com/itunes/download/