Hi there! I see you're having trouble with the McAfee Security app login hanging on your Android 10 device. Let’s work together to get that sorted out.

To start, could you tell me if the app gets stuck right after you enter your login details, or does it hang on the loading screen before that? Also, have you tried any steps so far, like restarting your device or clearing the app cache?

Once I have a bit more info, I can guide you through some precise steps. Meanwhile, here’s a general step-by-step checklist that often helps resolve this issue:

1. Restart Your Device
Sometimes, simply restarting your Android phone can clear out temporary glitches affecting the app.

2. Check Internet Connection
Ensure you have a stable internet connection because login processes require connectivity.

3. Clear McAfee App Cache and Data
- Go to Settings > Apps & notifications (or Apps) > find McAfee Security
- Tap Storage
- Click Clear Cache and then Clear Data (note this will remove saved login info)
- Open the app again and try logging in.

4. Update the App
Make sure your McAfee Security app is updated to the latest version available on the Google Play Store. Outdated apps can cause such issues.

5. Reinstall the App
If login still hangs, uninstall the app completely and reinstall it. This can fix corrupted files.

6. Login at McAfee Website
Sometimes the app login hangs due to subscription info moving to your McAfee account. Try logging in at myaccount.mcafee.com instead to check your subscription status and credentials.

If these steps don’t help, there might be a deeper issue like app compatibility or account-specific problems, and I can guide you through advanced options.

Could you please let me know if you’ve done any of these already or how far you get before the app hangs? That way, I can tailor the next steps for you.