A. 1. Clear your browser cache and cookies: Go to your browser settings, find the option to clear browsing data, and select cache and cookies. After clearing, restart your browser and try logging in again. 2. Try a different browser: If you're using Chrome, switch to Firefox or Edge to see if the issue persists. 3. Disable browser extensions: Some extensions can interfere with website functionality. Disable them temporarily and attempt to log in again.

B. 4. Check your internet connection: Ensure you have a stable internet connection. Try resetting your router if necessary. 5. Update your browser: Make sure your browser is up to date, as older versions may have compatibility issues.