Step 1. Launch Tunes Cleaner and Scan iTunes Music Library
Install and launch Leawo Tunes Cleaner for Windows on your computer, then click "Start to Clean iTunes" entry. The program would automatically scan your iTunes music library.
Step 2. Fix Music Files
After automatically scanning, it will display all music files in problem in specific categories for you to fix. You could check each file for fixing or simply click "Fix All" button to fix all music files. During fixing, you could click "Pause" button to pause fixing.
Step 3. Apply Fixed Music Files
After finishing fixing, you could click "Apply" to apply fixed music files to its original library or click "Save Project" to save unfixed music files for future fixing.