Windows 7 Pro "The User Profile Service service failed the logon"

computerlarry used Ask the Experts™
This morning, the user got a message on their screen when they powered up the computer - "The User Profile Service service failed the logon.  User profile cannot be loaded"
The User Profile Service service failed the logon
Dell running Windows 7 Pro

How do I fix?

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John TsioumprisSoftware & Systems Engineer

Have you tried to simply reboot...this usually fixes most cases.


The problem still exists after a reboot.
I remember situations where the computer started with a temporary user profile, and the original profile was renamed.  I'm wondering if this is similar to that.
Lotfi BOUCHERITSystem administrator
for that, you need another administrator account, it's a problem of corrupt user profile, to resolve this:
open regedit, and navigate under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
and try to figure out which one is your and find a duplicate entries where one of them ends with .bak
rename the first one, then delete .bak from the end of the second entry
hope this would help
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They can't get past the initial message they see above.  
So I am hoping for advice on how to resolve that.
Active Directory/Exchange Engineer
Top Expert 2015
I fixed this same issue last night.  
1.  Create a bootable cd or usb stick   ref link:
2.  Boot off of that usb stick and following the instructions - enable the administrator account and clear the password on that account
3. Log in with the administrator account and edit the registry with step 4
4.  Go to this link ref link:     and scroll down to Method 1: Fix the user account profile   (follow the instructions precisely)

**I did this on a Dell Desktop with Windows 7 Enterprise.  It didn't like the usb sticks so I ended up making the cd to boot off of.**

Once you fix the profile for your user you want to open a command prompt(run as administrator) and disable the administrator account again with this command

net user administrator /active:no


I found and renamed the profile, and the login went back to normal.

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