Normally, you shouldn't have to reinstall Logic Pro, but if a need arises (such as if you're troubleshooting), you can reinstall the software using these steps.
- Click the Finder icon in the Dock.
- From the Go menu, choose Go to Folder.
- In the resulting dialog, type /Library/Receipts in the field.
- Click Go.
- From the resulting window, drag the following items to the Trash (depending on which versions and updates you've installed, some of these files may not be present):
- Logic Pro.pkg
- Logic Pro Sound Library.pkg
- Logic Pro Bonus Sound Library.pkg
- LogicPro701Updater.pkg
- LogicPro711Updater.pkg
- Reinstall Logic from the original installation disc.
- Use Software Update to get the latest Logic update.