Since you are reading this, you certainly have come through This copy of Windows is not genuine Build 7601 /7600 on Windows 7. 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 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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Should You Fix This copy of Windows is not Genuine?

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 the Windows genuine error.

How to Fix This copy of Windows is not genuine

Now that you know why it is necessary to get rid of This copy of Windows is not genuine, we have added three solutions those will fix the error permanently. Further, the error may arise on any version of Windows, that is Windows 10, 8, XP, Vista, or Windows 7. So, the fixes as mentioned below will work on all the versions.

1. Fix Using Command Prompt

First of all, we will try to fix Windows 7 build 7601 this copy of windows is not genuine error by using Command Prompt. Follow the steps below.

Step 1: Open Command Prompt. If you are not sure how to open Command Prompt, click start menu and search ‘cmd’. Right click on command prompt and run it as an administrator.

this copy of windows is not genuine fix

Step 2: Type ‘SLMGR –REARM’ in Command Prompt window. Note that there is a space between SLMGR and the dash. The code will not work if you mistype.

this copy of windows is not genuine build 7601

Step 3: A window will pop seeking confirmation to restart the computer to effect the changes. Click ‘OK’.

how to fix this copy of windows is not genuine on windows 7

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;

Error 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.
  • On the window that opens type ‘regedit.exe’.

open regedit.msc to fix this copy of windows is not genuine

  • 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

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 folder. 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.

windows 7 this copy of windows is not genuine build 7601

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

2. Fix Using RSOP

RSOP stands for Resultant Set of Policy. Follow the following steps to fix the Windows genuine error.

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

Step 2: After opening Run, type ‘rsop.msc’ then click OK or hit Enter on the keyboard.

this copy of windows is not genuine fix

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.

update group policy to get rid of this copy of windows is not genuine build 7601

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

Check Also: How to fix Windows was unable to complete the format

3. Uninstall KB971033 Update

This copy of Windows is not genuine Build 7601 can also be triggered by an update that has detected your Windows OS. To get rid of this error, you simply have to uninstall the KB971033 update. This method will only work if you see the update ‘KB971033’ among the installed updates. To uninstall this Windows update;

Step 1: Go to Control Panel, and open ‘Programs.’

open programs in control panel

Step 2: In the next window, click “View Installed Updates.”

view installed updates on windows 7 to get rid of this copy of windows is not genuine

Step 3: Look for the update ‘KB971033’ and uninstall it.

uninstall update to fix this copy of windows is not genuine permanently

Step 4: Restart your Windows PC.


This copy of Windows is not genuine build 7601 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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