Remove Unknown User From Network

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  1. Posts : 678
    Windows 7 home premium 64 bit
       #1

    Remove Unknown User From Network


    I just noticed that when I use Windows Explorer, there is an unfamiliar name on my network. When I click on that name I'm presented with a Windows Security screen prompting me for a User Name and Password.

    I have no idea what that screen wants, who the user is, or how to remove it.

    Anybody have ideas?
    Attached Thumbnails Attached Thumbnails Remove Unknown User From Network-capture11.jpg  
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  2. Posts : 7,100
    W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
       #2

    Hi Scott,
    As you dont recognise the user dowload and run Malwarebytes free, uncheck 30 day trial.
    Then in the settings option tick scan for rootkits.

    If you Right click on Tom, it should give you the option to delete it.
    If not Rght click on your signal bars select Network/sharing then on next screen manage my networks,
    right click on Tom and the dropdown will give you the remove option


    Roy
      My Computer


  3. Posts : 678
    Windows 7 home premium 64 bit
    Thread Starter
       #3

    torchwood said:
    Hi Scott,
    As you dont recognise the user dowload and run Malwarebytes free, uncheck 30 day trial.
    Then in the settings option tick scan for rootkits.

    If you Right click on Tom, it should give you the option to delete it.
    If not Rght click on your signal bars select Network/sharing then on next screen manage my networks,
    right click on Tom and the dropdown will give you the remove option

    Roy
    Already run Malwarebytes and scan for rootkits was checked. Right-clicking on Tom only gives the options to Expand (which brings up the Enter Network Password box again), Connect with Remote Desktop Connection (see below) or Open in New Window (ENP box again). No delete option.

    Clicking on Manage Wireless Networks from the Network and Sharing Center fails to display any network called Tom. But then again it doesn't show EMACHINES-7AF6B9, Scott-HP or Karen-PC either. Those computers are all part of my Homegroup.
    Attached Thumbnails Attached Thumbnails Remove Unknown User From Network-capture12.jpg  
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  4. Posts : 7,100
    W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
       #4

    What do you get when you expand Homegroup Karen.

    Roy
      My Computer


  5. Posts : 678
    Windows 7 home premium 64 bit
    Thread Starter
       #5

    torchwood said:
    What do you get when you expand Homegroup Karen.

    Roy
    I see the 2 folders that are part of the Homegroup on the Karen-PC. The Emachines computer is a desktop that is directly connected to my router. I set up the Homegroup on the Karen-PC and added the Scott-HP to it. The Emachines desktop was never added to the Homegroup. When I click on the Emachines I get the exact same message box that I do when clicking Tom.
    Attached Thumbnails Attached Thumbnails Remove Unknown User From Network-capture13.jpg  
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  6. Posts : 10,485
    W7 Pro SP1 64bit
       #6

    You might learn more about the device from your router's interface.

    If you can find a MAC address for the device named TOM, then you might be able to tie it to a particular vendor via this list:

    http://standards-oui.ieee.org/oui.txt
    It takes a while to render that page.
      My Computer


  7. Posts : 7,100
    W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
       #7

    >>>Homegroup Karen<<<
    Not network, was hoping might be able to delete it from there.

    Roy
      My Computer


  8. Posts : 5,656
    Windows 7 Ultimate x64 SP1
       #8

    If you have an unprotected wireless connection set at your router a neighbor may have "accidentally" connected to it.
    Try in cmd:
    ping tom

    You would also see other PCs in your network if you have network-enabled virtual machines running on one of your PCs.
      My Computer


  9. Posts : 678
    Windows 7 home premium 64 bit
    Thread Starter
       #9

    GokAy said:
    If you have an unprotected wireless connection set at your router a neighbor may have "accidentally" connected to it.
    Try in cmd:
    ping tom
    Yes, I can ping Tom. However I have only the one wireless network using WPA2-PSK security. I'm running 2 laptops, 1 tablet and 1 desktop off that connection. I also have an old non-wireless HP printer that I set up as a network printer so we could use it on any of our laptops without having to be directly connected.
    GokAy said:
    You would also see other PCs in your network if you have network-enabled virtual machines running on one of your PCs.
    Frankly I don't know what that means. Sorry.
    Attached Thumbnails Attached Thumbnails Remove Unknown User From Network-capture14.jpg  
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  10. Posts : 678
    Windows 7 home premium 64 bit
    Thread Starter
       #10

    UsernameIssues said:
    You might learn more about the device from your router's interface.

    If you can find a MAC address for the device named TOM, then you might be able to tie it to a particular vendor via this list:

    http://standards-oui.ieee.org/oui.txt
    It takes a while to render that page.
    This is a combination modem/router from my ISP. Accessing it gives me this page about MAC filtering
    Attached Thumbnails Attached Thumbnails Remove Unknown User From Network-capture15.jpg  
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