Delete "Account Unknown" from "System Properties" - "User Profiles"?


  1. Posts : 81
    Windows 10 Pro x64 (Version 22H2, Build 19045.2965)
       #1

    Delete "Account Unknown" from "System Properties" - "User Profiles"?


    My "User Profiles" list includes 3 entries labelled "Account Unknown". Looking at the profiles listed in the registry in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList, it seems that the accounts are three accounts with SIDs starting with S-1-5-80, which were created when I installed SQL Server Express as a test. I have since uninstalled SQL Server Express. Is there any reason not to delete these 3 profiles? Is there any way to be sure that the 3 "Account Unknown" entries in the "User Profiles" really correspond to the registry entries I think they do?
      My Computer


  2. Posts : 42,734
    Win 10 Pro (22H2) (2nd PC is 22H2)
       #2

    Is there any way to be sure that the 3 "Account Unknown" entries in the "User Profiles" really correspond to the registry entries I think they do?
    Hi, this may help:
    Find Security Identifier (SID) of User in Windows
    though I've not checked if it will work in your particular case (unknown).
      My Computers


  3. Posts : 81
    Windows 10 Pro x64 (Version 22H2, Build 19045.2965)
    Thread Starter
       #3

    dalchina said:
    Hi, this may help:
    Find Security Identifier (SID) of User in Windows
    though I've not checked if it will work in your particular case (unknown).
    Thanks, but it doesn't. Unsurprising really. Presumably the users have been deleted, but the profiles were not. Even though the SIDs appear under ProfileList, they don't show up under HKEY_USERS.
      My Computer


  4. Posts : 16,782
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #4

    rsbrux said:
    My "User Profiles" list includes 3 entries labelled "Account Unknown".
    Where exactly are you getting this "User Profiles" list?

    Denis
      My Computer


  5. Posts : 81
    Windows 10 Pro x64 (Version 22H2, Build 19045.2965)
    Thread Starter
       #5

    Try3 said:
    Where exactly are you getting this "User Profiles" list?

    Denis
    Please (re)read my original post. Here is a screenshot of my "User Profiles" list to make it clearer:
    Delete "Account Unknown" from "System Properties" - "User Profiles"?-accountunknown.png
    The list can be accessed on the "Advanced" tab of "Advanced System Settings".
    I prefer not to post a screenshot of my registry.
      My Computer


 

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