To resolve the issue of the ESS 45 Zebra app not opening, follow these actionable steps:

1. Check for Updates:
- Ensure that the ESS 45 Zebra app is updated to the latest version. Go to the Google Play Store, search for "ESS 45 Zebra," and see if an update is available. Updating the app can fix bugs that might be preventing it from opening - learn more.

2. Clear Cache and Data:
- Navigate to your device's Settings > Apps > ESS 45 Zebra.
- Tap on Storage, then select Clear Cache and Clear Data. This will remove temporary files that may be causing conflicts with app functionality - learn more.

3. Reinstall the App:
- If clearing the cache and data doesn’t resolve the issue, uninstall the app from your device.
- After uninstalling, restart your device. Then, reinstall the app from the Google Play Store. Make sure that auto-update is turned off during your reinstall to avoid potential issues with the latest version - learn more.

4. Check Permissions:
- Ensure that the app has all required permissions enabled. Go to Settings > Apps > ESS 45 Zebra > Permissions, and make sure necessary permissions are granted.

5. Device Compatibility:
- Double-check that your device is compatible with the app. Sometimes, issues arise from software or hardware incompatibility.

6. Contact Support:
- If none of the above methods work, consider reaching out to Zebra Technologies’ support for further assistance. You can find contact options including email and chat support on their website - learn more.

7. Check Online Communities:
- Visiting forums like Reddit or TikTok can provide insights from other users who may have faced similar issues. Engaging with these communities can sometimes reveal quick fixes not covered in official resources - learn more.

By following these steps systematically, you should be able to troubleshoot and resolve the issue with the ESS 45 Zebra app not opening.