How To Fix This Copy of Windows is not Genuine Error on Windows 7, 10, 8, 8.1, XP


This copy of Windows is not genuine error fix and solution: There are some errors that keep occurring ad nauseam to a degree that they remain etched in our collective memory, especially when it comes to the Windows OS there is none more dreaded & frequent error than This copy of Windows is not genuine error on Windows 7, 10, 8, 8.1, XP powered PC desktop/laptop. This error appears in different ways on different Windows operating system. If you have ever saw the error indicating Windows is not genuine, this copy of Windows is not genuine 7601 error, Windows 7 is not genuine, this PC is not running genuine Windows or any other similarly phrased error on your Windows 10/7/8/8.1/XP PC desktop or laptop, it means you are running a serious problem that needs immediate fixing. Here’s a guide on how to fix This copy of Windows is not genuine error on Windows PC & Laptop.

Windows operating system has long been the most used operating system and the preferred choice of millions of business and home users around the world because of the open source nature and easy customization features it provides. Many users, unwittingly or intentionally, end up installing Windows copy that fails to meet Microsoft’s requirements of a genuine Windows OS copy, and hence, encounter the Windows is not genuine error. Here we have a This copy of Windows is not genuine fix for Windows 7, Windows 10, Windows 8/8.1, Vista (32-bit / 64-bit) & XP (SP2 or later) PCs and laptops.


This Copy of Windows is Not Genuine Error – Here’s How To Fix It on Windows PC/Laptop

See a set of instructions below to fix this copy of Windows not activated error/Windows is not genuine error on PC.

1 – First of all you need to uninstall Windows update KB971033 from your PC. Most Windows users are unaware of this KB971033 error. If you have downloaded original Windows ISO copy shared by someone as a torrent file with genuine Windows keys and installed it on PC but installed this KB971033 update during the setup process, then you have unknowingly given Microsoft a key to finding out that you have downloaded and install original Windows copy for free from torrent or through some other counterfeited mean.

Basically the purpose of this KB971033 Windows update is to ascertain the legality and authenticity of your Windows OS. Download Windows using unofficial sources and unauthorized activation keys renders it useless. Microsoft finds out about it, stops all software and update support, including security patches and fixes, in future for the copy of Windows installed on your PC. Here’s how to uninstall KB971033 update from Windows to keep your copy genuine for receiving official software updates and bug fixes.

  • Open Control Panel
  • Go to Windows Update
  • Click on View Install Updates
  • On the list of installed updates, locate the KB971033 and uninstall it
  • Now restart your PC to finalize changes

2 – You can also use SLMGR-REAEM command to fix Windows is not genuine error:

  • Click on the Start menu. (On Windows 10, right-click on the Start button and select Command prompt (Admin) from the list)
  • Type cmd to open the Run command prompt as administrator.
  • In the command prompt window, type SLMGR-REARM and hit enter.
  • On the confirmation window enter OK and restart your PC.

After the restart ‘This copy of Windows is not genuine’ error should be fixed for good. However, if for some reason it reappears, repeat the above method but this time type SLMGR/REARM with the forward slash instead of a dash in the above process. Also, keep in mind that SLMGR-REARM command works only on 32-bit Windows OS version, it may sometimes work on the 64-bit version but the success can’t be guaranteed. Therefore, better option is to go with SLMGR/REARM on the 64-bit version.

3 – If your copy of Windows has been detected as “not genuine”, it will automatically be barred from receiving future windows updates. But if your Windows copy hasn’t gone through Microsoft’s authenticity test, its best to disable automatic Windows update from installing on your PC. Take control of Windows updates in your own hands but selecting the manual installation method. For that:

  • Go to Control Panel
  • Select Windows Update option and hit the Install button
  • Next, you will see the ‘Automatic update (recommended)’ option
  • Choose the ‘Never Check for update’ option

Note: Please note this article is not in any way encourage piracy. It’s best to install the original Windows Copy from official sources as it offers many advantages like Free software upgrades, new updates, security patches and lots more that are intended to prolong the life of your PC operating system.


Although the chances of the above method not working are extremely rare, however, in rare cases if it happens that you couldn’t fix the problem with the above methods, there is another way you can try to tackle this ‘Windows is not genuine’ issue.

  • Click the Start (Windows icon) button on the taskbar.
  • Open the Run command prompt.
  • Type rsop.msc and hit the enter key.
  • Next, navigate to Settings > Security system > system services and find the plug and play services and right-click on it.
  • Now on the Startup button, click on the Automatic option.
  • Next open the Run command prompt again.
  • Enter a gpupdate/force command into the run box and hit enter.
  • Now Restart your PC.
  • Hopefully after the restart your problem will be fixed.

Please note that the guide above is not intended to turn your pirated Windows copy into a genuine version, it just helps you to remove ‘Windows is not genuine’ tag and notification from your Windows so that you can keep on receiving official Windows updates.

Share your Windows related issues in the comments section below, we will do our best to fix it for you.

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