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Windows 7: Two unknown user accounts showing in the security tab

24 Jan 2012   #11
PeaB4YouGo

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Roderunner View Post
Quote   Quote: Originally Posted by PeaB4YouGo View Post
Quote   Quote: Originally Posted by Roderunner View Post
What do you think C: drive on my laptop is then
You're looking at the properties of C:\. You're not looking at system properties...
How then, do you suggest I look at system properties ?
Try Control Panel --> System --> Advanced tab --> User Profile Settings


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24 Jan 2012   #12
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by badspell68 View Post
I have two unknown user accounts showing in the security tab. They do not exist under "user accounts" in control panel. I have been unable to delete them and thought they might be part of Comodo firewall or Avast antivirus?

I'm not familiar with how to navigate to the security tab other then right clicking on a file...is there another way? I recently updated both their rights to deny everything in the hopes that might prevent any malicious behavior?
I see SID S-1-5-21-xxxxxxx
Can you post whole SID so xxxxxx as well

Go into registry (regedit) and have a look at key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
expand it. and post the S-1-5-21 sids you see. Make screenshot
My System SpecsSystem Spec
24 Jan 2012   #13
badspell68

Windows 7
 
 

Yes, it does seem to be there for a lot of files, but not all. Some files have "trustedinstaller" & "CREATOR OWNER". Will there always be a wide range of user accounts?
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24 Jan 2012   #14
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by badspell68 View Post
I have two unknown user accounts showing in the security tab. They do not exist under "user accounts" in control panel. I have been unable to delete them and thought they might be part of Comodo firewall or Avast antivirus?

I'm not familiar with how to navigate to the security tab other then right clicking on a file...is there another way? I recently updated both their rights to deny everything in the hopes that might prevent any malicious behavior?
Go in explorer to c:\users and rightclick on folder Jef. Change its security so delete both security items there!! They are UNKNOWN so useless!
My System SpecsSystem Spec
24 Jan 2012   #15
PeaB4YouGo

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by Kaktussoft View Post
... They are UNKNOWN so useless!
Everytime I read words like that, I cringe. Until you KNOW the source, I wouldn't assume ANYTHING is useless.
My System SpecsSystem Spec
24 Jan 2012   #16
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by PeaB4YouGo View Post
Quote   Quote: Originally Posted by Kaktussoft View Post
... They are UNKNOWN so useless!
Everytime I read words like that, I cringe. Until you KNOW the source, I wouldn't assume ANYTHING is useless.
They are security items on C:\Users\Jeff only!! and inhereted by files and folders. Probably from windows mediaplayer sharing (dlna) or old homegroup stuff. As long as system, administrators and Jef himself have full access, I don't see the problem.

But to be honest... you're right with your statement
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 Two unknown user accounts showing in the security tab




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