Error ‘This Copy of Windows is Not Genuine’: Causes and Comprehensive Solutions

The error ‘This Copy of Windows is Not Genuine’ often appears on versions of Windows such as Windows 7, Windows 8, Windows 10, and Windows 11, causing discomfort for users. In this article, we will examine the main causes leading to this error and effective solutions you can apply to resolve the issue.

Signs of the Error ‘This Copy of Windows is Not Genuine’

When encountering this error, you may see a message displayed in the bottom right corner of the screen stating that your copy of Windows is invalid. Additionally, the system may prompt you to reactivate Windows or some functions may be restricted, such as the inability to change the wallpaper.

Why Does Windows Report the Error ‘This Copy of Windows is Not Genuine’?

There are several different causes leading to this error, including:

Using Unlicensed Windows

If you have installed a version of Windows from an unknown source or without a license, the error ‘This Copy of Windows is Not Genuine’ may appear freely. This often occurs due to illegal downloads from the internet.

Product Key Leaked or Blocked

The Product Key you are using may have been leaked or blocked by Microsoft due to multiple activations on different machines. Therefore, when you try to reactivate Windows, the system will notify you that this key is invalid.

Windows Tampered with by Crack Software

Many users often use crack software to activate Windows without paying. However, this can lead to various errors, including detection by Microsoft.

System Errors Due to Windows Updates

New updates of Windows can sometimes cause conflicts with software running on the computer, leading to this error message. It is advisable to regularly check and manage updates to avoid errors arising.

[Summary] Ways to Fix the Error ‘This Copy of Windows is Not Genuine’

Below are methods you can apply to fix this error:

Method 1: Use Command Prompt (CMD) to Reactivate Windows

You can use Command Prompt to enter the command to reactivate Windows:
Step 1: Open Command Prompt with Administrator privileges.
Step 2: Enter the command slmgr /rearm and press Enter.
Step 3: Restart the computer.

Detailed Instructions for Running the SLMGR Command in CMD

To open Command Prompt with administrator privileges, you can search for the keyword ‘cmd’ in the search bar, then right-click and select ‘Run as administrator’.

Fixing ‘Access Denied’ Error When Running CMD

Make sure you have opened CMD with Administrator privileges. If you still encounter errors, check whether the user account has administrative rights.

Method 2: Uninstall Updates that Cause the ‘Windows is Not Genuine’ Error

If you suspect that a particular update caused this error, try uninstalling it:
Step 1: Go to Control Panel and select ‘Programs and Features’.
Step 2: Select ‘View Installed Updates’.
Step 3: Find and uninstall the update with code ‘KB971033’.

Method 3: Use Genuine Windows Product Key

If you have purchased a legitimate product key, use it to activate Windows:
Step 1: Open Settings and select ‘Update & Security’.
Step 2: Select ‘Activation’ and click ‘Change product key’.
Step 3: Enter the product key and press Enter.

Check Current Windows Product Key

To find the current product key, you can use the command wmic path softwarelicensingservice get OA3xOriginalProductKey in Command Prompt.

Change Windows Product Key

Make sure that the product key you enter is accurate and belongs to the version of Windows you are using.

Method 4: [Advanced] Edit Registry to Fix the Error

If the above methods do not succeed, you may consider editing the Registry:
Step 1: Press Win + R, type regedit, and press Enter.
Step 2: Navigate to the path HKEY_LOCAL_MACHINE/Software/Microsoft/Windows NT/CurrentVersion/SoftwareProtectionPlatform.
Step 3: Edit the value to 1 for SkipRearm.

Important Note Before Editing the Registry

Please back up the Registry before making changes to avoid data loss or system errors.

Steps to Edit the Registry

Be careful with each step to avoid incorrect changes that lead to system errors. It is advisable to follow each step accurately.

Method 5: Contact Microsoft for Support

If the above solutions are not feasible, contact Microsoft’s support department for specific guidance.

Error ‘Windows is Not Genuine’ on Different Versions of Windows

Most versions of Windows can encounter this error. Below are the ways to handle it based on each version:

Error ‘This Copy of Windows is Not Genuine’ Windows 7

Windows 7 often encounters this error due to using non-standard software or failed activation. Please check the product key again and perform reactivation.

Error ‘This Copy of Windows is Not Genuine’ Windows 8/8.1

Windows 8 and 8.1 can also experience similar issues. Ensure that you are using a licensed version of Windows and check for updates regularly.

Error ‘This Copy of Windows is Not Genuine’ Windows 10

On Windows 10, this error often appears after major updates. Consider uninstalling unnecessary updates.

Error ‘This Copy of Windows is Not Genuine’ Windows 11

Windows 11 is no exception; users should pay attention to updates and verify the validity of their licenses.

[Note] Risks When Using Unlicensed Windows

When using unlicensed Windows, please note the following risks:

• No support from Microsoft.
• May encounter various system errors.
• Not regularly updated, leading to security vulnerabilities.
• Risk of data loss or being attacked by malicious software.

Where to Buy Genuine Windows at Good Prices?

If you have decided to purchase a license for Windows, you should choose reputable providers such as:

• Microsoft Store
• Official Microsoft distributors
• Reputable large technology stores

Frequently Asked Questions About the Error ‘This Copy of Windows is Not Genuine’ (FAQ)

Below are some frequently asked questions related to this error:

• Question 1: How can I tell if my Windows is licensed?
• Question 2: Can I fix this error without a product key?
• Question 3: Will I be punished for using crack software?

If you need assistance, please contact us right away

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