Fix ProfSvc Failed Error – User profile service (ProfSvc) is a service responsible for loading and unloading the user profile. If ProfSvc is stopped or disabled, the user will not be able to login into the user profile. The ProfSvc service failed the sign-in error is often related to corrupt profiles.
What is ProfSvc?
ProfSvc is also known as User Profile Service provided by Microsoft. It is in charge of loading and unloading the user profile. Sometimes, however, the ProfSvc might be blocked or disabled. Consequently, users won’t be able to log in to user profiles and may encounter the “Windows could not connect to the ProfSvc service” error.
Reasons for ProfSvc Failed Error
There are several reasons for this problem, but the most common ones are as follows:
- Corrupt or incomplete Windows update.
- Partition resizing.
- User profile creation or
- System Restore
How to Fix ProfSvc Failed Error in Windows 10?
Check the responsible Windows Service
- Type, services. msc in the Start search box and hit Enter to open the Windows Services Manager.
- Locate User Profile Service, and then double-click on it to open its Properties box.
- Now, just make sure that it is Running, and the Startup Type is set to Automatic.
Enable the Built-in Administrator & Use it to Log in
Every Windows 10 computer has a built-in Administrator account. We can now activate and use this Administrator account to build a new User Profile for you.
For this fix to work, you will need to make a bootable Windows 10 USB drive and then boot your computer using it. Then when you get the Welcome Screen click on Next, and then click on Repair your computer on the bottom left portion of the window.
- Next click on Troubleshoot.
- After that, select Advanced Options. And then, Command Prompt.
- Now, once you have got the Command Prompt window open, enter the following command: net user administrator /active: yes
- Finally, type in exit to close the Command Prompt window. Reboot your computer for the changes to take effect. Or alternatively, you can create a new User Account for yourself using Command Prompt.
Fix ProfSvc Failed Error – Replacing the Default Folder
Another interesting workaround that people have been discussing in the forums is pretty simple. All you need to do is log in to a computer which is not have any such problems.
Then from the following location, copy the folder named default. It may be hidden, so you need to show hidden files and folders before you proceed, C:\Users\ Now, copy it to a USB Drive. Boot your faulty computer into the User Account you just created in the above Method.
After that, insert your USB Drive and navigate to the same Users folder that we just did. And rename the default folder that is already there to default. old. Now, you can copy the default folder from your USB Drive to a faulty computer.
Just make sure that all the files with the. DAT extension in this new folder is deleted. Reboot your computer and check if that fixed your issues.
Repair User Profile
Repair a corrupt User Profile manually or see if ReProfiler helps.
Modify Registry Settings
If you don’t want to create a new profile, you can try making changes to registry settings and fixing the corrupt profile. To do so, follow the steps below:
- Boot your PC into Safe Mode following the steps explained above.
- Press Windows + R > Regedit > Ok.
- Navigate to
Select the registry key and locate folders that begin with S-1-5 (SID key), followed by numbers.
- Select S-1-5 folder > locate ProfileImagePath entry in the right pane, double click it. Make sure it has the user profile name you are facing a problem with.
Installing Fresh Windows
If none of the methods work above, you can move on and install a fresh copy of Windows on your computer. We have already exhausted the possibilities of gaining access to the system through restore point and by making a new administrator account.
You check out our article on how to install Windows 10 on your computer. You can easily make a Windows bootable by either Rufus or by Windows media creation tool.
Also Read: How to Fix Google Page Unresponsive?