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Garageband 6.0.5 suddenly won't open. It opened just fine yesterday but now it says it 'cannot be opened because of a problem'.

I have High Sierra version 10.13.6 and have been using Garageband 6.0.5 with no trouble - until suddenly today it won't open.

Does anyone out there know why this might be and how to correct it?

Many thanks in advance.......

Posted on Oct 10, 2020 6:54 AM

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Posted on Oct 10, 2020 9:24 AM

Start with this...


Safe Boot, (holding Shift key down at startup), does the problem occur in Safe Mode?


Safe mode attempts to repair Disks & clears lots of caches & loads safe Drivers, & prevents loading of 3rd party extensions, so if Safe Mode works try again in regular boot.

6 replies

Garageband 6.0.5 suddenly won't open. It opened just fine yesterday but now it says it 'cannot be opened because of a problem'.

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