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Thread: Error 1609: User is not a valid user or group

  1. #1
    Join Date
    Nov 2008
    Posts
    1,054

    Error 1609: User is not a valid user or group

    I want to install "DarkMatter: Subspace hypersuite" a theme of Alienware. The only problem I see is towards the end of the installation which gives me an error message.

    "Error 1609

    An error occurred while applying security settings. User is not a valid user or group. This could be a problem with the package, or a problem connecting to a domain controller on the network.

    Check your network connection and click Retry."


    If anyone knows the solution to my problem

  2. #2
    Join Date
    May 2008
    Posts
    681

    Re: Error 1609: User is not a valid user or group

    Run the DOS window (Run -> CMD or COMMAND)
    Type the following:

    net localgroup "Users"/ADD
    net localgroup "Users" "tonusername"/ADD (Note: here tonusername is administrator)

    net localgroup "INTERACTIVE"/ADD
    net localgroup "INTERACTIVE" "tonusername"/ADD (Note: here tonusername is administrator)

    and you start the installation

  3. #3
    Join Date
    Feb 2008
    Posts
    216

    Re: Error 1609: User is not a valid user or group

    Microsoft has confirmed that this is a problem in the Microsoft products i.e. Windows Defender. To solve this an updated version of Windows Defender is available. To download the updated version, visit the Microsoft Web site: http://www.microsoft.com/windows/pro...r/default.mspx

  4. #4
    Join Date
    May 2008
    Posts
    1,020

    Re: Error 1609: User is not a valid user or group

    To complete the installation a Users group must be created. This can be done from Control Panel > Administrative Tools > Computer Management and then expanding System Tools > Local Users and Groups > Groups.
    Right click Groups and choose New Group, name it "Users".
    Or execute the commands "net localgroup Users/add" (as suggested by mv) which will add the Users group.

    It will report if the group already exists or it will create the group.

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