An unknown error message occurred (-45054) on iTunes? – Easy Fix!
The error message 45054 on iTunes occurs due to corrupted files or incomplete iTunes installation. It usually occurs after upgrading your iTunes. But you don’t have to worry, It can be easily fixed by clicking one button. Here we are sharing how to solve this issue.
Step 01. Go to APPLICATION -> UTILITES -> DISK UTILITY
Step 02. Select YOUR HARD DRIVE and then Click REPAIR DISK PERMISSIONS.