How to solve Windows 11/10 cannot load user profile issue?

Many Windows users have reported seeing "The user profile service logon failed. Unable to load the user profile." during system startup. As soon as you type your password and press Enter key on the Windows login screen, this error message will be shown to you and you will not be able to launch the default Windows user profile. After seeing this message, you will be redirected back to the login screen. This error occurs because the default user profile is corrupted. You are unable to log into your PC because a corrupt user profile has taken over and the correct user profile cannot be loaded.

Are you one of those users who is annoyed by error messages on your Windows 11/10 PC and unable to log in to your user profile? Then, continue digging into this article. By reading ahead, you will find some solutions that can help you repair corrupted user profile and thus resolve this issue on your PC.

Fix 1 – Restart Windows from the Lock Screen

One of the easiest solutions to this problem is to perform a restart or system shutdown from the login screen.

1. Make sure you are on the Windows lock screen.

2. If you previously logged in using a guest profile, make sure to select the admin profile.

3. Click the power button in the lower right corner of the lock screen.

Select option Close or Restart.

##4. Once the system boots, make sure you are logged in using the administrator profile.

Check if you are able to log in to your Windows PC.

Fix 2 – Modify the Windows Registry in Safe Mode

You need to be in Safe Mode to use this troubleshooting method to make changes to the Windows Registry.

1. Press the Windows key on your keyboard and enter Advanced Startup in the Windows search bar.

Click Changed Advanced Startup Options in the search results.

#This will open the "Recovery" page in System Settings .

2. Click the Restart Now button in the box labeled Advanced Startup.

This will initiate an advanced system restart.

#3. After rebooting you will now see a blue screen.

On this page, click the optionTroubleshoot.

4. In the troubleshooting options list, select Advanced options.

Then, select Startup Settings in the Advanced Optionslist.

Finally, click the Restart button to initiate system restart again.

5. Now when the system reboots, a list of startup settings will be displayed and can be accessed using the Function keys (F1 – F9) or numeric keys (1 – 9) to select.

Press to enable safe mode and the corresponding key (4 or F4) to select the option.

#6. You need to be logged in with an administrator account to start Windows in Safe Mode.

Now, press the Windows R key to open the "Run" box.

Type regedit and press the Enter key to open the Registry Editor.

#Click Yes when prompted by UAC.

7. Go to the location below or copy and paste it into the navigation bar of Registry Editor.

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\ProfileList

8. Under the ProfileList key, look for the entry to check if you can find any duplicates there.

For example, entries in a list have similar names, but one of them has a .bak extension.

When you find two entries like this, rename the entry with the .bak extension to .ba extension name. Right click on it and select Rename.

Rename other matching entries using .bak extension .

Return to the entry you renamed to the ".ba" extension and remove the extension there.

#9. Make sure the entry you just removed the .bak extension is selected.

Move to the right and look for the State key here.

Right-click State and select Modify.

In the Edit DWORD window, change the Hexadecimal Value Data field from numeric to 0.

ClickOK.

Right-click the key RefCount and select Modify.

Change the Numeric Data field to 0 and click OK to save Change.

10. Close the Registry Editor.

Restart the computer in normal mode.

After the system starts, you must not see the user profile service failed login error.

Fix 3 – Delete local user account

1. After logging in with the wrong user profile, press the Windows R key combination to open Run.

Enter netplwiz and click OK to open the User Accounts window.

You will see an Advanced User Account Control window where you will need to enter your administrator password to continue with this process.

NOTE: If you see any errors after entering your administrator password, use steps 1 - 5 in Fix 2 above to safe mode Start Windows.

2. In the User Accounts window, select the Guest/User account in your computer's user list.

Click the Delete button.

If you log in with a local account, the local profile will be deleted.

ClickOK.

3. Press the Windows L key to exit the local account login window.

Restart the PC in normal mode.

Sign back in with your regular Microsoft account and check if the error is fixed.

Fix 4 – Move the NTUSER.DAT file to the default username folder

NTUSER.DAT is a file that Windows creates for each user profile on your computer. This .dat file contains all information related to user profile personalization settings. You will find the user profile folder in C:\Users. If you are unable to log into the system, make sure to start the PC in Safe Mode using the Steps 1 - 5 mentioned in Fix 2 above.

1. Use the

Windows E key combination to open File Explorer.

Type

C:\Users in the navigation bar.

2. In the

Users folder, locate the desired Local Account Folder.

Double-click this local account folder to open it.

Here, look for the

NTUSER.DAT file.

选择此文件并单击文件资源管理器命令功能区中的剪切图标。或者，您可以按Ctrl + X组合键。

3. 返回C:\Users并使用默认用户名打开文件夹。

现在，点击顶部的粘贴图标以粘贴之前从本地帐户文件夹中剪切的.DAT 文件。

4. 返回用户文件夹，选择本地帐户文件夹，然后点击顶部的删除(bin) 图标。

重新启动计算机并检查您是否能够加载正确的用户配置文件而不会看到任何错误消息。

修复 5 – 使用命令提示符修复 Windows 用户配置文件

如果上述方法未能解决 Windows PC 上的用户配置文件服务无法加载错误，那么您可以尝试使用系统文件检查器 (SFC)扫描和部署映像服务和管理工具 (DISM)扫描。

1. 按Windows键并在 Windows 搜索框中键入命令提示符。

右键单击搜索结果中的命令提示符，然后选择以管理员身份运行选项。

2. 运行SFC命令来修复 Windows 中损坏的文件以及用户配置文件设置。

sfc /scannow

等待扫描完成并修复 PC 上任何损坏的文件。

重新启动PC 并检查问题是否已解决。

3. 如果错误仍然存​​在，请通过在命令提示符中执行以下命令来执行DISM扫描。

DISM /在线 /Cleanup-Image /RestoreHealth

命令执行后，重新启动系统并检查问题是否已解决。

如果即使在尝试了上述所有修复后，您仍无法登录系统并且显示错误消息，那么您将需要重置您的 PC 以恢复 Windows 操作系统的出厂重置。要执行 Windows 11 PC 的重置，请按照此链接中给出的步骤操作。

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