Here’s How to Stop “Windows is not Genuine” Error Message in W7.

So today we will be covering some core Windows help topics. It’s a problem commonly faced by Windows 7 users who are using the pirated version of the windows. Commonly when cracked/pirated copy of your Windows 7 accesses Microsoft for any available updates, it downloads the original files which create this error.

Windows is not Genuine Errors

The users face different errors, one of the most common problems which the users report are:

1. Windows Activation window after log on;

Windows is not genuine
Your computer might not be running a counterfeit copy of Windows.

2. One more thing is; while you play games or your computer background is black, you see the following error message on bottom right side of your screen:

“This copy of Windows is not genuine”

"This copy of Windows is not Genuine"

3. While accessing the System Properties (Control Panel => System and Security => System) – you get the following error message:


“You must activate today. Activate Windows now”

4. If you try to use slmgr.vbs /dlv to view the licensing status, you receive the following message:

Error: 0x80070005 Access denied: the requested action requires elevated privileges

Causes of Windows is not Genuine Error

According to Microsoft, these error messages on Windows 7 are usually caused by lack of permissions in the system registry key HKUS-1-5-20. For that the “Network Service” account must have full authority and read permissions over that registry key. This situation may be the result of applying a Plug and Play Group Policy object (GPO).

Computer Configuration => Policies => Windows Settings => Security Settings => System Services => Plug and Play (Startup Mode: Automatic)

Fix Windows is not Genuine

For those of you who are looking for resolving “Windows is not Genuine” error on your pc can follow this method which was earlier documented by  Microsoft. You will find all the details with two working methods to bypass this error message on your computer.

Method A: Disable the Plug and Play Policy

1. First determine the source of the policy,  to do this, follow these steps:

  • Run the Resultant Set of Policy wizard, for this simply click Start, Run and enter rsop.msc as the command.
  • Get into this location: Computer Configuration => Policies => Windows Settings =>Security Settings => System Services

If the Plug and Play services are configured through a Group Policy setting, you will see it here with settings other than Not Defined. Moreover, you can see which Group Policy is applying this setting.

2. Try disabling the Group Policy settings and force the Group Policy to be reapplied.

  • Edit Group Policy which is identified in Step #1 and change the settings to “Not Defined.” Or, follow-up the section below to add the required permissions for Network Service account.
  • Force “Group Policy” settings to reapply: gpupdate /force (a restart of the client can be required)

Method B: Edit the permissions of the Group Policy

  1. Open Group Policy that was identified in Method A, Step #1 mentioned above, open the corresponding Group Policy setting.
  2. Click Edit Security button, then click the Advanced button.
  3. In Advanced Security Settings for Plug and Play window click Add, then add the SERVICE account. Click OK
  4. Select following permissions in Allow section and click OK:Query template
    Query status
    Enumerate dependents
    User-defined control
    Read permissions

    : Previous rights are of minimum required permissions.
  5. Run the gpupdate /force after applying previous permissions to  Group Policy setting.
  6. Verify that appropriate permissions have been applied with the following command: sc sdshow plugplay. The following are rights applied to the Plug and Play service in SDDL:D:(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;SY)
    S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)(A;;CC LC SW LO CR RC ;;;SU is Access Control Entry (ACE) that allow following rights to “SU” (SDDL_SERVICE – Service logon user) 

    A: Access Allowed
    CC: Create Child
    LC: List Children
    SW: Self Write
    LO: List Object
    CR: Control Access
    RC: Read Control
    SU: Service Logon User

NOTE: If there’s no GPO in place, then another activity can change default registry permissions. For working on this problem, do the following steps:

  1. On client out of tolerance, start Registry Editor.
  2. Right-click registry key HKEY_USERS\S-1-5-20, select Permissions.
  3. If NETWORK SERVICE isn’t present, click Add.
  4. Enter the object names to select type Network Service, then click Check Names and then OK.
  5. Select NETWORK SERVICE and then Grant Full Control and Read permissions.
  6. Restart. After restarting, the system may require activation. Then simply complete the activation.
[Source Microsoft]

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2 Responses to “Here’s How to Stop “Windows is not Genuine” Error Message in W7.”

  1. Dan says:

    When i try to run rsop.msc i get an error saying that windows cannot find it…?

  2. lucas sorroche says:

    Hello that such, after a lot of work I bring a definitive activator for windows 7 already it is 32 or 64 bits, it works perfectly follow the instructions of the tutorial that one finds inside the file .rar, I hope that they enjoy it it has served my me very much. Link of unload

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