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What worked for me - How to determine if its a bad plugin
Before I get into the instructions it is important to think about when you started experiencing the audio issue and if you have recently installed any new audio devices, virtual instruments, or anything with plugins. This will help you narrow down the issue and this is how I quickly found the plugin causing the issue even though I had ones that failed validation they were not the ones that were the issue, but they could have been. It was a newer plugin that was "successfully validated" from the moment I went into the Plug-Ins Manager. It is important to note Apple's Logic Pro support told me that a Plugin in Logic Pro can cause systemwide issues even if it is disabled.
- Close All Apps
- Open a Finder window.
- Select Go from the menu bar at the top of the screen.
- Hold down the Option key to reveal the Library folder option in the dropdown menu and click on it
- Navigate to Audio\Plug-Ins\
- Copy the Components folder to your desktop
- Delete the Components folder in the \Library\Audio\Plugins directory
- Launch Logic Pro and try to use one of the built in Apple sounds. The sound issue should be gone, providing it is go to the next step. If it is not gone then you will need to contact Apple Support.
- Close Logic Pro and keep it closed until instructed to reopen it
- Make a Folder on the Desktop named "Troubleshooting Plugins" and continue with one of the three sets of instructions in bold depending on what applies to your situation
If you have recently installed a new plug in, audio device, etc then do the following:
- Copy the Components folder back to the Plugins directory.
- Start with the most recent plug in you have installed and remove it from the Components folder and place it in the "Troubleshooting Plugins" folder on your desktop. In my case I had just installed ROLI Studio which was "successfully validated"
- Launch Logic Pro
- Test the audio again using any of the sounds you have in Logic, if there are no sound issues and the problem has been resolved then you will need to contact that Plugins manufacturer for an updated plugin.
If you have NOT recently installed a new plug in, audio device, etc BUT you have plugins listed as "crashed validation" then do the following:
- Copy the Components folder back to the Plugins directory.
- In the Components folder in the Plug-Ins directory look for the plugins that were listed as "Crashed Validation" and remove only one of them from the Components folder and place it in the "Troubleshooting Plugins" folder on your desktop.
- Launch Logic Pro
- Test the audio again using any of the sounds you have in Logic, if there are no sound issues and the problem has been resolved then you will need to contact that Plugins manufacturer for an updated plugin.
- If the issue has not been resolved Close Logic, select the next Plugin that "Crashed Validation" in the list of plugins in the Components folder and remove it from that folder and place it in the "Troubleshooting Plugins" folder then relaunch Logic Pro. Keep repeating this process until you have removed each one of the plugins that "Crashed Validation" if it is still not working continue on with the next set of instructions
If you have NOT recently installed a new plug in, audio device, etc and you have NONE that say "crashed validation" or you have already eliminated all of those from the Components folder then do the following:
- Go into the Components folder in the \Library\Audio\Plugin\Components folder and sort the files by date created or date modified (if you want to troubleshoot chronologically in order from most recent installed to oldest installed plugin. Otherwise you can sort by name
- Start with the first one in the list of files in the Components folder and place it in the "Troubleshooting Plugins" Folder
- Launch Logic Pro
- Test the audio again using any of the sounds you have in Logic, if there are no sound issues and the problem has been resolved then you will need to contact that Plugins manufacturer for an updated plugin. If the problem persists continue removing plugins one by one from the Components folder and then launching and testing in Logic Pro. Eventually you will find after removing a particular plugin that the issue stops. Once the issue stops you have successfully identified the troublesome plugin and will need to contact the maker of the plugin. You can then restore the other plugins from the Troubleshooting Plugins folder to the Components folder. If you find the problem reappears then you may have more than one plugin causing issues you can then go back through the same steps as outlined above to repeat the process of finding a bad plugin.
