Hi! I see you're having trouble logging into the Letsfit app. Let's work through this together. To start, can you tell me a bit more about what happens when you try to log in? For example, do you get an error message, or does the app just not respond?

In the meantime, here are some common steps that often help resolve login issues:

1. Double-check your email and password are entered correctly, without extra spaces or typos.

2. If you're sure those are right, try resetting your password through the app’s "Forgot Password?" option.

3. Make sure your internet connection is stable.

4. Restart your device to clear any temporary glitches.

5. Confirm the app has all the required permissions on your Windows system, such as access to network and background apps.

6. If you recently updated the app, sometimes logging out and back in can help the app refresh its settings.

Have you already tried any of these steps? If yes, which ones? That way I can guide you to more specific fixes.