Hi there! I see you're having trouble with the Mbank UAE app not working. To help you better, could you tell me a little more about what exactly is happening? For example:
- Does the app fail to open, freeze, or crash?
- Are you seeing any error messages, like "Server error" or "Failed"?
- Are you trying to use the app on your Windows device, or maybe on a mobile phone?
- Have you recently updated the app or your device OS?

This info will help me guide you to the right fix. Meanwhile, here are some general steps you can try to resolve common app issues:

1. Restart Your Device: Sometimes a simple reboot can clear temporary glitches.
2. Check Internet Connection: Make sure your device is connected to a stable Wi-Fi or mobile network.
3. Update the App: If there’s a newer version of the Mbank UAE app available, updating might fix bugs.
4. Clear App Cache (If on Mobile): Apps can store temporary data that sometimes causes issues; clearing cache can help.
5. Reinstall the App: Uninstall and reinstall the app to ensure a fresh setup.

If you are on Windows using WebKit as the browser — note that sometimes apps optimized for mobile might have limited functionality on desktops or browsers. If you are accessing through a browser, try clearing your browser’s cache or try a different browser like Chrome or Edge to see if that helps.

If you continue to face a "Server error" or “Failed” message, it might be an issue on the bank’s side. You can contact Mbank UAE’s support via:
- Phone: 600 571111
- Email: [email protected]
- Or use the Contact Us option on their website: https://www.mbank.ae/contact-us/

Let me know which of these apply to you or what you’ve tried already, and I’ll guide you further! Are you able to tell me more about the device and exact problem with the app?