If the app you are using logs you out immediately upon logging in, it could stem from several potential issues. Here’s a step-by-step guide to troubleshoot and resolve this problem:

1. Check Your Internet Connection
Ensure that your device is connected to the internet. A weak or unstable connection can lead to login issues. Try switching between Wi-Fi and mobile data or resetting your modem/router.

2. Clear App Cache and Data
If you’re using a mobile app, clearing the cache and data can help resolve temporary glitches:
- Go to your device's Settings.
- Find and select Apps or Manage Applications.
- Locate the app that keeps logging you out, tap on it, and then select Storage.
- Click on Clear Cache and Clear Data.
- Restart the app and log in again.

3. Check for Software Updates
Ensure you are using the latest version of the app:
- Open your device’s app store (Google Play Store or Apple App Store).
- Search for the app and check if there’s an update available. If there is, install it and restart the app.

4. Correct Device Time and Date Settings
An incorrect time and date can disrupt authentication. To check:
- Go to Settings on your device.
- Tap on Date & Time.
- Enable Automatic date & time based on your network provider.

5. Reinstall the App
Uninstall and then reinstall the app to clear any corrupted files that might be causing the issue:
- Long press on the app icon and select Uninstall.
- Reboot your device.
- Go back to the app store and reinstall the application.

6. Check for Account Settings and Permissions
Make sure there are no issues with your account, such as being banned or requiring verification. Sometimes additional verification steps might be needed for logging in.

7. Temporary Files and Cached Cookies
If you are using a web version of the app, clearing your browser's cookies and cached files can resolve login problems:
- Open your browser settings and look for Privacy or History.
- Locate Clear Browsing Data and select Cookies and Cached images and files.

8. Review Security Software/Settings
Sometimes, antivirus or firewall settings can interfere with app functionalities. Check if your security software is blocking the app’s operations. You can temporarily disable it for testing.

9. Contact Support
If the problem persists after trying all these steps, reach out to the app's customer support for assistance. Providing them with detailed information about your issue can help them address it more effectively.

Finding potential solutions for apps that log out users quickly can be complex, but following these steps should help in addressing typical connectivity or configuration-related issues - learn more - learn more.