Logic 10.6.3 Quits Unexpectedly - Switching Alternatives/Quitting/Bouncing/ etc.

Question

Logic 10.6.3 Quits Unexpectedly - Switching Alternatives/Quitting/Bouncing/ etc.

Hi Everyone

After much troubleshooting I'm still finding Logic crashes/quits every time:

I Switch between project Alternatives
Try to Quit Logic
Close one project and try opening another
Bouncing Midi in place (sometimes)

Error reports detail numerous triggers: sometimes 3rd Party software, Auvaltool (which itself crashes when trying to rescan plugins), Sigtrap - (link to error reports below)

Feels like I've tried everything to get to the bottom of this: sorting out Caches/Components, rescanning plugins, updating 3rd party software etc.

I have the latest version of Logic (10.6.3) and Big Sur (11.5.2), but all this was happening in the previous Big Sur update too.

Model is: MacBook Pro (Retina, 13-inch, Early 2015)

Any help or insights much appreciated.

Mike

MacBook Pro 13″, macOS 11.5

Posted on Sep 1, 2021 1:34 AM

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Answer 1

Best reply

Don Mactavish

Level 3

725 points

Sep 1, 2021 4:22 AM in response to KnightstownMusic

Hi,

Here are a few suggestions:

1) Make sure al your plugins fully support Big Sur and are up to date. Lots of legacy issues are causing lots of headaches and some started with Catalina. Remove any that are not supported.

2) Same for any MIDI devices ( keyboards, controllers or interfaces). Make sure all your devices fully support Big Sur and are up to date. Remove and delete any MIDI devices in Logic ( controllers ), in the Apple Audio Midi Setup and uninstall any that are not valid.

3) Corrupt preferences file can be the root of many problems. Search this forum and you will find lots of threads.

You can rebuild the preferences file within Logic but you will need to reset all your personal preference settings. If you have set any custom key commands, this will reset them to the defaults. You can save your personal/custom key commands as a preset before performing this step. See the Logic Pro User Manual.

Quit logic

The file is in ~/Library/Preferences

Delete com.apple.logic10.plist file from the Preferences folder.

The preference files will be rebuilt next time Logic starts.

Hope this helps.

( If this was helpful please mark as such or mark as Solved if that is the case )

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Answer 2

Sep 1, 2021 8:41 AM in response to Don Mactavish

Thanks Dom - went through everything with a very fine tooth comb as you suggested and combining your points 1) and 2) seemed to do the trick, so didn't need to reset preferences on this occasion.

Much appreciated

Michael

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Answer 3

Sep 1, 2021 9:10 PM in response to KnightstownMusic

I get crashes for "change gain" function on a wave file. It hangs everytime.

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Logic 10.6.3 Quits Unexpectedly - Switching Alternatives/Quitting/Bouncing/ etc.

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