Error Codes Wiki

Mac App Quit Unexpectedly

Warningapplication

Overview

Mac "Application Quit Unexpectedly" means an app crashed due to a bug, memory issue, or incompatibility.

Key Details

  • Crash report dialog appears with technical details
  • App terminated by macOS due to an unrecoverable error
  • Crash logs saved to ~/Library/Logs/DiagnosticReports
  • Common after macOS updates with incompatible apps

Common Causes

  • Application bug or coding error
  • Incompatible with current macOS version
  • Corrupted application preferences or cache
  • Conflicting kernel extensions or plugins

Steps

  1. 1Click "Reopen" to try launching again
  2. 2Delete app preferences: ~/Library/Preferences/com.developer.appname.plist
  3. 3Clear app cache: ~/Library/Caches/com.developer.appname/
  4. 4Update to the latest version of the application

Tags

macmacosapplicationapp quit unexpectedlyfixtroubleshooting

More in Application

Frequently Asked Questions

Yes — it helps developers fix bugs.