Fix The User Profile Service failed the logon error: When you log on to Windows 10 you may receive the following error message “The User Profile Service failed the logon. User profile cannot be loaded.” which means the account you are trying to log in is corrupted. The cause of the corruption can be anything from malware or virus to recent Windows update files but don’t worry as there is a fix to resolve this error. So without wasting any time let’s see how to actually Fix The User Profile Service failed the logon error message with the below-listed troubleshooting guide.
3 Ways to Fix The User Profile Service failed the logon error
Start your Windows in Safe Mode:
1.First, go to the Login screen where you see the error message then click on 電源スイッチ その後 シフトを押し続ける クリックして 再起動。
2.Make sure you don’t let go of the Shift button until you see the Advanced Recovery Options menu.
3.Now Navigate to the following in Advanced Recovery Options menu:
Troubleshoot > Advanced options > Startup settings > Restart
4.Once you click Restart your PC will restart and you will see a blue screen with a list of options make sure to press the number key next to the option which says “Enable Safe Mode with Networking.「
5.Once you are logged into Administrator account into safe mode, open the command prompt and type the following command in cmd and hit Enter:
ネットユーザー管理者/アクティブ:はい
6.To restart your PC type シャットダウン/ r in cmd and hit Enter.
7.Reboot your PC and now you will be able to see this hidden administrative account to login.
Perform System Restore using the above Administrator Account
1.Windowsキー+Rを押して「」と入力します。sysdm.cplと」と入力して Enter キーを押します。
2.Select システム保護 タブを選択して システムの復元。
3.「次へ」をクリックし、必要な項目を選択します。 システムの復元ポイント.
4.Follow the on-screen instruction to complete system restore. And see if you are able to Fix The User Profile Service failed the logon error, if not then continue with the below-listed methods.
Note Backup the registry before following any of the methods listed below, as making changes in registry can cause a serious damage to your system.
Method 1: Fix the Corrupted User Profile via Registry Editor
1.Login to the above-enabled administrator user account.
Note: Make sure to create a restore point just in case something goes wrong.
2.Windows キー + R を押してから、次のように入力します。 regeditを Enter キーを押してレジストリ エディターを開きます。
3.次のレジストリ サブキーに移動します。
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionProfileList
4.Under the above key locate the key starting with S-1-5 followed by a long number.
5.There will be two keys with above description, so you need to locate the subkey プロフィール画像パス and check its value.
6.The value data field should contain your user account, for example, C:UsersAditya.
7.Just to clarify the other folder ends with a .bak extension.
8.Right-click on the above folder (which contains your user account key) を選択し、 リネーム from the context menu. Type .ba at the end, and then press Enter key.
9.Now right-click on the other folder which ends with .bak extension をクリックして リネーム. Remove the .bak Enterキーを押します。
10.If you only have one folder with above description which ends with the .bak extension then rename it and remove the .bak from it.
11.Now select the folder which you just renamed (removed the .bak by renaming it) and in the right window pane double click on 参照カウント。
12.0タイプ in the Value data field of RefCount and click OK.
13.Similarly, double click 都道府県 in the same folder and change its value to 0 then click OK.
14.Reboot your PC and you should be able to successfully log in and Fix The User Profile Service failed the logon error.
Method 2: Copy Default folder from another Windows
1.Make sure you have another working computer with Windows 10 installed.
2.Windows キー + R を押してから、次のように入力します。 C:ユーザー Enterキーを押します。
3.Now click 表示>オプション and then switch to View tab.
4.Make sure to check mark 隠しファイル、フォルダ、ドライブを表示 次に、[適用]、[OK] の順にクリックします。
5.You will see a hidden folder called デフォルト。 右クリックして選択します コピー。
6.Paste this Default Folder to your Pendrive or USB Flash Drive.
7.Now login with the above enabled administrative account and follow the same step to show the hidden Default folder.
8.Now under C:ユーザー 名前を変更します Default folder to Default.old.
9.Copy the Default folder from your external device to C:Users.
10.Reboot your PC to save changes and see if you are able to Fix The User Profile Service failed the logon error.
Method 3: Log on to Windows and copy your data to a new account
1.Windows キー + R を押してから、次のように入力します。 C:ユーザー Enterキーを押します。
2.Now click 表示>オプション and then switch to View tab.
3.Make sure to check mark 隠しファイル、フォルダ、ドライブを表示 次に、[適用]、[OK] の順にクリックします。
4.You will see a hidden folder called デフォルト。 右クリックして選択します 名前を変更します。
5.Rename this folder as デフォルト。古い Enterを押します。
6.Now create a new folder named Default under C:Users directory.
7.Inside the above-created folder, create the following empty folders by right-clicking and selecting New > Folders:
C:UsersDefaultAppData C:UsersDefaultAppDataLocal C:UsersDefaultAppDataRoaming C:UsersDefaultDesktop C:UsersDefaultDocuments C:UsersDefaultFavorites C:UsersDefaultLinks C:UsersDefaultPictures C:UsersDefaultSave Games C:UsersDefaultVideos C:UsersDefaultDownloads
8.Windows キー + X を押して選択します。 コマンドプロンプト(管理者)
9.次のコマンドを cmd に入力し、Enter キーを押します。
xcopy C:UsersYour_UsernameNTUSER.DAT C:UsersDefault /H
注: Replace the Your_Username with one of your account usernames. If you don’t know the username then in the above folder C:ユーザー you will your username listed. For example, in this case, the username is Farrad.
10.You can now easily create another user account and reboot. Now log-in to this account without any issue.
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これで成功です Fix The User Profile Service failed the logon error message but if you still have any questions regarding this guide then feel free to ask them in the comment’s section.