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Windows 7: missing user account

07 Jan 2012   #1

Windows 7 Ultimate
 
 
missing user account

my brother's standard user account went missing.. it disappeared in the welcome screen and in the user accounts (control panel) but the files and the user folder is still there...

please help T.T



Attached Thumbnails
missing user account-yeah.png   missing user account-hell-yeah.png  
My System SpecsSystem Spec
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07 Jan 2012   #2

Microsoft Community Contributor Award Recipient

Win 7 Home Premium 64bit Ver 6.1.7600 Build 7601 - SP1
 
 

Hi ILovePizza, welcome to 7F

Sounds like it may have been disabled somehow, use this tutorial to see if it has, and you can make the necessary adjustment there:
User Account - Enable or Disable
My System SpecsSystem Spec
07 Jan 2012   #3

Windows 7 Ultimate
 
 

Hello Anak ^^

i was trying to do that User Account - Enable or Disable tip but i wasn't able to find the account there...

so i check the properties of the user account folder in drive C and found a Unknown user account... i'm curious..is it a virus or error or something....

and thanks for welcoming here at 7F ^^

i always visit here when i have problems in my laptop..


Attached Thumbnails
missing user account-untitled.png   missing user account-untitled1.png  
My System SpecsSystem Spec
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07 Jan 2012   #4
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello ILovePizza, and welcome to Seven Forums.

You might see if doing a system restore using a restore point (if available) dated before your brother's account went missing may be able to help.

Hope this helps,
Shawn
My System SpecsSystem Spec
07 Jan 2012   #5

Microsoft Community Contributor Award Recipient

Win 7 Home Premium 64bit Ver 6.1.7600 Build 7601 - SP1
 
 

Quote   Quote: Originally Posted by ILovePizza View Post
Hello Anak ^^

i was trying to do that User Account - Enable or Disable tip but i wasn't able to find the account there...

so i check the properties of the user account folder in drive C and found a Unknown user account... i'm curious..is it a virus or error or something....

and thanks for welcoming here at 7F ^^

i always visit here when i have problems in my laptop..
A good bit of sleuthing on your part!

I was curious myself that is why it took a while to respond, and checked my user account. I also have an "Unknown User" account.

So in checking previous threads the prudent thing to do would be to run an anti-malware scan, but in all likelihood you will not have any infections.

There can be several reasons why the account is created, Unknown Account I believe in my case is was from a previously deleted account.

One case here: Unknown User Account involved a Nvida Updater that when the program was installed it included its own account presumably to facilitate its updates

The suggestion was made to change the name to your user name, wait for a length of time, and if there were not any problems to go ahead, and delete it.
The reason you wait is like in the Nvida example it may be required by another program, but some users feel this is way too intrusive, and they will delete the account immediately without any ill effects.


If you can see the Account:
http://www.sevenforums.com/tutorials...-accounts.html

If you can not see it in the user accounts applet in Control Panel.
Unknown account appears in windows 7

Some information on your missing account:
User Account is Missing!!! Help!!!

What is an S I D?
https://en.wikipedia.org/wiki/Security_Identifier


I see Brink has posted, a system Restore is a good solution.
My System SpecsSystem Spec
07 Jan 2012   #6

windows 7 x64 Home Premium
 
 

Missing user accounts and unknown user accounts could definitely be caused by malware. If it was me, the first thing I would do is scan for malware three different ways:

Malwarebytes Malwarebytes : Malwarebytes Anti-Malware PRO removes malware including viruses, spyware, worms and trojans, plus it protects your computer
Superantispyware SUPERAntiSpyware.com - Downloads
ESET online scan: ESET :: Get a FREE Online Virus Scan

Do all three if you can -- some infections can hide from one or two of these antimalware programs, but not all of them. (For instance widgi toolbar and updater is not found by Malwarebytes, but ESET gets it right away. And widgi blocks real user accounts and creates it's own fake one.)
My System SpecsSystem Spec
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