The message "User Profile Service logon failed. Unable to load user profile "may appear on the computer screen when attempting to log in to Windows. The alert indicates that the system profile file is corrupted, preventing access to documents, photos, videos, and other items saved on the hard drive. But there's no reason to panic because it's possible to create a new user and migrate your files to try to get around the situation. See the following tutorial on how to resolve the profile access error in Windows Vista, 7, 8, and 10.
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Turn on the hidden administrator account
Existing files in a corrupted profile can be moved to a new administrator account. The process is simple if you already have a second account registered in Windows. If you do not have it, the procedure is a bit more laborious, but equally effective.
Step 1. Restart the computer and press F8 continuously at the time of the reset to access the Windows startup wizard. Select Security Mode to connect;
Access Windows Safe Mode
Step 2. Locate the Command Prompt on the Start Menu, right-click on it and run as administrator;
Run the Command Prompt as an administrator
Step 3. Enter the command "Net user administrator / active: yes" (without quotation marks) and press Enter.
Turn on the hidden administrator profile in Windows
Create a new account
Step 1. Restart the computer and log in to the hidden administrator account. Although there is already a new administrator account, the profile created in safe mode can not be used on a day to day basis. Therefore, you need to create another account to serve as a substitute. With the profile already created, stay in the menu "Accounts> Family and other people" and select "Change account type";
Change the account type of the newly created profile
Step 2. Check the "Administrator" option and press "Ok".
Enable the administrator profile for the new account
Move the files
If you already have a second user profile registered to the computer, or if you have recently created a new account, you can migrate the files from the corrupted account and regain access to everything.
Step 1. If you just created a new user, stay logged in to the account accessed through Safe Mode. Then go to the file explorer and navigate to your original personal files folder. The usual path is C: \ Users / USERNAME. Copy all folders except those containing a period (.) At the beginning of the name;
Copy old profile files
Step 2. Navigate to the folder corresponding to your new user and paste all the copied files;
Paste the files into the new user's folder
Step 3. Exit the current user and log in to your new user profile. All files must be intact and accessible. Check if your programs are also available. If it has only been installed for your old user, you will need to reinstall. Then go back to your Windows account settings and remove your old account;
Remove the problematic account
Step 4. Finally, access Security Mode again, open the Command Prompt and disable the administrator user with the command "Net user administrator / active: no" (without quotation marks).
Turn off the hidden profile in Safe Mode
In the end, you will only have one active account with all your files back.
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