This Copy of Windows is Not Genuine – Permanent Fix [How-to]

A black screen appears along with a message – this copy of Windows is not genuine. What can be more annoying? Windows is the most popular and debatably the best operating system. So much is accomplished on a Windows PC. But the error message that this copy of Windows is not genuine can ruin your day by delaying the accomplishment of tasks. The good news is that this error can be fixed permanently.

this copy of windows is not genuine
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Why Should I Fix “This copy of Windows is not Genuine” Error?

It is possible to continue using the PC even after the error message has appeared. However, there are many reasons to fix this error. For starters, the error message will persistently prompt, which can be very irritating leave alone reduce productivity. The error message will also reduce the performance of your PC. The worst of all is that you cannot change the desktop background. The desktop background will be a black screen with the error message on it. Windows will automatically deny access to some features until you fix this error.

This copy of Windows is not genuine – How to Fix Permanently?

There are three methods to permanent fix Windows is not genuine error – Using command prompt, Using RSOP, and Uninstalling update KB97033.

Method 1: Using command prompt

Follow the following steps to fix this copy of windows is not genuine error.

Step 1: Open command prompt. Go to the start menu and search ‘cmd’. Right click on command prompt and run it as an administrator.

Step 2: After command prompt has opened, type ‘SLMGR –REARM’. Note that there is a space between R and the dash. The code will not work if you mistype.

This copy of Windows is not Genuine
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Step 3: A window will pop seeking confirmation to restart the computer to effect the changes. Click ‘OK’.

There is a high chance that the method outlined above will work. If the method does not fix the error, then you may receive any of the following errors;

1. ‘The maximum allowed number of rearms has been exceeded’. To fix this error you will have to open the registry editor.

  • On the start menu, search ‘Run’ and open it as an administrator
  • On the window that opens type ‘regedit.exe’.
  • Once the registry editor opens follow this path- HKEY_LOCAL_MACHINE -> Software -> Microsoft -> WindowsNT -> Current version -> SoftwareProtectionPlatform
  • Look for the file SkipRearm. Modify the file by changing the values from 0 to 1
  • Restart your computer and repeat the method outlined above to fix ‘this copy of windows is not genuine’ error

2. ‘SLMGR’ is not recognized as an internal or external command’

There are several reasons that could prompt this error. The first prompt for this error is mistyping the pasted code ‘SLMGR –REARM’. The error could also occur if you did not run Command Prompt as an administrator.

The another reason for this error is a problem with the slmgr.vbs file. It is easy to fix the file. Open ‘My Computer’ and click on ‘local disk C’. Open the Windows folder and look for the system32 file. In this file, look for the folder named slmgr.vbs.REMOVEWAT and rename it to slmgr.vbs. If you can’t find it, look for a file with the extension slmgr.vbs.

Also check: How to change MAC address on Windows, Linux, and Mac

Method 2: Using RSOP

RSOP stands for Resultant Set of Policy. Follow the following steps to permanent fix Windows is not genuine;

Step 1: On the start menu type run. The keyboard shortcut to open run is Windows + R buttons.

Step 2: once Run has opened type ‘rsop.msc’ then click OK or hit Enter on the keyboard.

Step 3: Once RSOP has opened follow this path: Windows Settings > Security Settings > System Services

This copy of Windows is not Genuine
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Step 5: Open the System Services folder and look for Plug and Play. Right-click on this file and open properties. On startup check ‘Automatic’.

Step 6: Open Run again and type this command- gpupdate /force and hit enter on the keyboard.

After you restart the PC, the error message will never appear again.

Also check: How to Change Mac Address on Windows 10

Method 3: Uninstalling update KB971033

This copy of Windows is not genuine is an error that can be triggered by an update that has detected your Windows OS. To get rid of this error, you simply have to uninstall the update. This method will only work if you see the update ‘KB971033’ among the installed updates. To uninstall this windows update;

  • Go to Control Panel.
  • Open ‘System and Security’.
  • Click on ‘Windows Updates’
  • View the installed updates.
  • Look for the update ‘KB971033’ and uninstall it.
  • Restart your PC.

Final thoughts

This copy of windows is not genuine is a nuisance error that will keep distracting the screen of your computer until you fix it permanently. You should fix the error as soon as it comes. Microsoft is against counterfeit products. Always make sure you buy genuine Microsoft products, preferably from the official website. If you experience any problems executing the fixes explained above, let us know through the comments section.

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