This Copy of Windows is not Genuine – Reasons and Fixes

While using your PC, you might come across the “copy of Windows is not genuine” message. If the Windows Operating System is showing this message, it means the OS is not properly activated. And thus, Microsoft thinks that the Windows is not legally obtained or the Product Key is not original.

This error can cause many issues. It doesn’t stop with notification only. So, you need to get to the root of the issue. In this blog, we have discussed the reason, the manifestation, and the easy fixes for the “this copy of Windows is not Genuine” error message.

Manifestation of “Copy of Windows is not Genuine” Error

When the “copy of Windows is not Genuine” error message occurs, it shows a notification like this –

Windows 7

Build 7601

This Copy of Windows is not Genuine

Now, this is the message that you get at the first occurrence. If you choose to ignore this notification, the error keeps on manifesting itself through several glitches, occasional hangs, auto restarts along with following messages –

Reasons Behind the Occurrence of “This Copy of Windows is not Genuine” Message

This error occurs for a number of reasons. And, there are a handful of things that can cause this error. The primary reason is the Windows version you are using is not genuine. So, if you are using a pirated copy, you need to get the genuine one.

Another common reason can be Windows update. Sometimes after updating the Windows OS, the new update fails to determine the Product Key. Also, in some rare cases, this error message can occur if there is a malware attack.

How to Fix “This Copy of Windows is not Genuine” Message

There are a few solutions that you can try if you are getting a “this copy of Windows is not Genuine” error message. The fix will depend on the root cause of the problem. So, try the following fixes one by one and see which one helps.

Uninstall KB971003 Update

The KB971003 update of Windows OS is known for causing the “this copy of Windows is not Genuine” message. So, if you have recently installed this update, uninstall it.

After the update is uninstalled, the device will restart. Hopefully, the error won’t appear after that.

Run the SLMGR-REARM Command

The SLMGR-REARM command can help with the “this copy of Windows is not Genuine” notification. First, access your PC using the Administrative Privilege. And then, continue with the following steps –

Once you run the command successfully, restart your computer and check for the error.

Register your License Key Again

Sometimes the notification pops up simply because the OS fails to detect the License Key. So, try to register it again with the following guide –

Hopefully, this will fix the issue for once and all.

Re-Register the License Key

When you update the Windows OS on your PC, it can revoke the original license key. Or, the same can happen if you reinstall the updates or after a Windows recovery. In these instances, re-registering the License key solves the issues like the “this copy of Windows is not genuine” message.

Now, the procedure of re-registering the License key will require the License key. This one you will find at the bottom of the laptop. Product label and note it down once you find the license key. After that, you can begin the procedure.

Hopefully, this will fix the issue. In case you still fail to fix it, you can come back to the Windows Activation screen. And then find the Activate Windows Online Now option. After this, you will see a bunch of instructions on the screen and follow those.

In case you fail again, click on the See other ways to activate the option, and again you will have to follow the instructions that will appear on the screen.

Conclusion

The error notifications like “this copy of Windows is not Genuine”. So, if none of the methods help, you can seek help from a professional. Or you can check your PC for viruses. However, all the 3 fixes we have mentioned usually work. Hope it will work for you too.

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