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Level 1

4 points

Quicktime won't open

Quicktime won't open. I keep getting a crash report. Please help.

iMac 27″ 5K, macOS 10.15

Posted on Jul 8, 2020 5:12 PM

Top-ranking reply

Community+ 2024

Level 10

143,094 points

Posted on Jul 9, 2020 5:20 AM

To diagnose the cause, try these troubleshooting procedures:

How to use safe mode on your Mac - Apple Support. Determine whether an issue is caused by software that loads as your Mac starts up. This also clears some caches that might load invalid data.
How to test an issue in another user account on your Mac - Apple Support. Find out if the issue could be related to the files or settings in your user account.

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