| Problem you notice | What to check |
|---|---|
| QuickBooks crashes immediately | Updates, preferences, installation, macOS compatibility |
| QuickBooks opens but company file crashes | Company-file integrity and compatibility |
| Problem started after macOS update | QuickBooks/macOS compatibility |
| Only one company file causes the crash | Possible company-file issue |
| Other apps also crash | macOS, storage, memory, or broader system issue |
| QuickBooks works under another Mac user | User-profile or account-specific settings |
| Reinstall does not help | Investigate company file, macOS, and configuration issues |