Force quit the app, then open it again

If Messages quits unexpectedly after you get a text with a specific string of characters Apple is aware of an iMessage issue caused by a specific series of unicode characters and we will make a. Mar 05, 2020  Alternate solutions on Pages Quit Unexpectedly on Mac. Method 1: Clear Preference Cache. Launch Finder on Mac, Press Option key from keyboard and Click on Go from finder menu,; If you press the option key, then you can see library option in the dropdown menu option.

• iPhone, iPad, iPod touch: Force the app to close.
• Apple Watch: With the app open, press and hold the side button to show the power options. Then press and hold the Digital Crown to quit the app.
• Apple TV: Double press the TV/Home button and swipe left or right to find the app with the issue. Then swipe up to close the app. You can’t force apps to quit on Apple TV (3rd generation).
  

Restart your device

Restart your iPhone, iPad, iPod touch, Apple Watch, or Apple TV. Then open the app to see if it works as expected.

Check for updates

Make sure that your device has the latest version of iOS or iPadOS, watchOS, or tvOS. Then check for app updates.

• iPhone, iPad, iPod touch, or Apple Watch: You can manually update apps. You might need a Wi-Fi connection to update some apps on your iPhone, iPad, or iPod touch.
• Apple TV: Go to Settings > Apps and turn on Automatically Update Apps. If you don't have automatic updates turned on, you can open the App Store, go to the Purchased tab, and open an app's product page to see if an update is available.
  

Reinstall the app

• iPhone, iPad, iPod touch: Open the Settings app. Tap General, then tap iPhone Storage (or iPad Storage). Tap the affected app, then tap Offload app. Tap Offload app again. Wait a moment for the app to offload, then tap Reinstall App.
• Apple TV: Highlight the app on the Home screen, then press and hold the Touch surface until the app jiggles. Press Play/Pause, then select Delete. Open the App Store and redownload the app. Some apps require subscriptions for activation. If you can't activate the app or you don’t remember your sign-in information, contact the app developer.
• Apple Watch: Open the Watch app on your iPhone and tap the My Watch tab. Scroll to the app you want to remove, then tap it. Turn off Show App on Apple Watch, and wait for it to disappear from your watch's Home screen. To reinstall the app, scroll down to Available Apps in the My Watch tab and tap Install.
  

Messages App Quits Unexpectedly Mac Sierra

Contact the app developer

If you're having an issue with an Apple app, contact Apple Support. If it's a third-party app, contact the app developer.

Learn more

• Get help with unfamiliar charges and in-app purchases.
• If you can’t install or update an app, or if it’s stuck waiting, learn what to do.
• Get help with audio, video, or power on Apple TV.

Hi,

I have looked at the log.

It looks like Messages is hanging before it Unexpectedly Quits. (com.apple.ichat is the Bundle name)

I would do a NVRAM reset as a first step see How to reset NVRAM on your Mac - Apple Support

Retry Messages.

Mail Quit Unexpectedly Mac

If that does not work try a Safe Boot

If that has not worked check the Contacts App > Card Menu > My Card.

Is this your Details ?

Finder Quit Unexpectedly Mac

In Preferences > Accounts is only one account Active ?

Having multiple accounts all trying to sync tends to get it caught in an endless loop of checking and Messages has to wait for it to finish (which it never does).

There can be other causes such as the Serial Number becoming unreadable or the ownership or Permission of .plists or the Keychain being an issue.

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