If you have been having problems with iTunes since updating to OS X El Capitan you may not be alone. Several Mac users have reported that iTunes freezes up and becomes unresponsive. User eported problems include that iTunes:
- won’t open
- stops responding
- causes CPU usage to spike
- update makes the menu items not clickable
- is very slow
- gives unknown error 42037
Fix Mac iTunes:
Try the following steps until your problem is fixed:
1-Restart your Mac. Simply restarting your Mac may fix this issue. To do this, choose “Restart…” from the Apple menu.
2-A third party plug-in or script may cause this. Start iTunes in Safe Mode to troubleshoot this problem. Start iTunes in Safe Mode on your Mac, here is how:
- Hold down the Option and Command keys on your keyboard while you launch iTunes. iTunes will start in Safe Mode. You will be a pop up message saying “iTunes is running in safe mode. Visual plug-ins you have installed have been temporarily disabled.” Click “Continue”. If iTunes is working properly without any issue in safe mode, a third party iTunes add-on is causing this problem. iTunes add-ons can be found in this folder: ~/Library/iTunes/iTunes Plug-ins/. To find out the problematic add-on, close iTunes, and move the add-ons to your desktop one at a time temporarily. You may also want to contact the developers of your plug-ins. Maybe, there are updates that you can install.
3-Make sure that you have the latest version of iTunes installed. If you do not, please update iTunes. You can update iTunes in a few minuets. Launch iTunes then, from the menu, select iTunes > Check for Updates.
4-Turn off Wi-Fi. Then launch iTunes and sign out by going to iTunes menu > Store > Sing Out then quit iTunes. Then turn on Wi-Fi and relaunch iTunes.
5-Remove iTunes and re-install again. Here is how:
- Launch Terminal. The Terminal app is located in the Utilities folder (Applications folder).
- Use thisTerminal command: cd /Applications/
- Then this command: sudo rm -rf iTunes.app/
- Enter your password when/if you are asked, then press the Return key.
- This command will remove iTunes from your Mac immediately.
- Now reinstall iTunes. Simply go to the iTunes download page, and download the installer to your hard drive and after your download, then double click the itunes.dmg file to install.