A friend popped round their family laptop after discovering that his wife's user account fails to logon with the following error message (it's a Dell Inspiron N5050 running Windows 7 Home Premium Edition):
The User Profile Service failed the logon
His wife's user account is the one created when Windows was first setup during the initial Dell OEM first-time Out of Box Experience. This account is a Windows administrator and is the only administrator. There is another account used by their son which does not have administrator rights.
I followed the steps that apply to this scenario described in this article to try to enable the regular Administrator account using
net user administrator password /active:yes:
i.e. I've booted from the Windows installation disk, launched the recovery tools and started a command prompt. I then typed
net user administrator [some_password] /active:yes which tells me the command ran successfully. However when I restart Windows (in safe mode or normally) I don't see an Administrator account at the logon screen.
I have to do this because for some reason I can't boot to a Safe Mode command prompt, Windows just boots straight to the logon screen.
As already mentioned there is another account on the machine but it's not a member of the Administrators group but I can logon. Using this account I have tried to
runas a new command prompt as both Administrator and his wife's account but get an error message saying that the username or password are invalid.
I think something has clobbered his Wife's user account because when I navigate the filesystem using the recovery console command prompt I don't see this account's folder in the user profile folder but do see one for the other non-administrator account.
I've also tried to restore to a previous system recover point (via booting from the Windows DVD and starting the recovery tools). There was in fact one created on the morning that this problem manifested itself after a Windows Update. However after around 10 or so minutes of telling me it was Finalizing the Restore I was then presented with an error dialogue stating that:
System Restore did not complete successfully. Your computer's system files and settings were not changed.
An unspecified error occurred during System Restore (0x80070002).
I also tried an earlier one but end up with the same result.
I've also tried creating a new Windows account in the command prompt launched by the recovery tools but I can't add that user to the Administrators group because the Workstation service isn't running (and won't start in recovery mode).
Is there anything else I can try or am I going to have to flatten rebuild this machine? Is there any other way for me to elevate the existing non-Administrator account to become a member of the Administrators group?
It's very easy to create a new administrator account by booting your computer from Hiren's Boot CD. This article Using Hiren's Boot CD to Create Admin User Accounts details all the steps.
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