Final Cut Pro not loading or Rendering Wav files

What Mac, macOS version and FCP version? There was a problem in 10.6 rendering audio waveforms that I believe was fixed in 10.6.1.

What are the specs of the WAV files? Can you open one in QuickTime Player and take a screenshot of the Inspector window? It will look something like this:

Whenever FCP crashes or starts acting strangely an easy thing to try is resetting the preferences. Hold option and command while launching FCP and choose Delete Preferences. It will open the default Untitled library. Re-open the library you were working on, set the preferences back to the way you like them (disable background rendering, reset Import to Leave Files in Place, etc.) and see if the issue has been resolved.

Have you tried deleting the cache? Select the library in the browser, choose File->Delete Generated Library Files... Choose All Render files. Manage render files in Final Cut Pro - Apple Support 

Hi Tom, I’m having the same issue. I’m running 10.6.1 on a 2017 MacBook Pro. Ever since upgrading the waveforms have taken forever to load in the timeline and when I zoom in, they have to reload all over again. This was literally never an issue before. I just opened the app and deleted the preferences- still no waveforms showing. This has stopped my editing progress cold. Please help.

Your system drive is completely useless if I’m reading it correctly. It’s very far past being full. It’s a very small drive and probably needs a minimum of 18GBB free space. The OS should be updated. You have Chrome and the keystone daemons that need to be wiped. You probably shouldn’t be running Paragon software with that system.

What Tom said!

Just to add: see https://www.chromeisbad.com

for an explanation of why Chrome and its daemons are bad.

After following the instructions there to uninstall, you will have to delete and reinstall FCP.

Thank you both. Just cleared up space, found and deleted the paragon software. Tomorrow will wipe chrome, update OS and reinstall FCP. And then maybe I can start editing again. Will let you know how it goes. Cheers.

here ya go!

Please give complete OS, FCP, and media specifications.

I don't know what your MacBook Pro is, or anything else about your system,.

Do you have Chrome?

Please run Etrecheck and post its full report here. Use the "additional text" button and paste the report into the text box.

Update- followed your instructions and audio waveforms are loading after about 10-20 seconds, which I can def live with for now. Thanks again.