In this step-by-step tutorial, you'll learn how to fix the "User Profile Service failed the sign-in" and "User profile cannot be loaded" errors in Windows 11, Windows 10, Windows 8, and Windows 7. This common issue usually occurs when your user profile gets corrupted or when there’s a problem with the registry settings. Follow this guide to safely log back into your account without losing any data. br br ✅ Works on all versions of Windows br ✅ No software required br ✅ Fast and easy fix br br 🛠️ Whether you're a beginner or advanced user, this tutorial will help you resolve the issue and get back into your Windows account quickly.