Regardless of the Windows version you are using, the error pops up with the following message- The worst thing is that there isn’t any difference in the situation even after going through the Activation troubleshooter. Upon running the Activation troubleshooter, Windows displays the following message- Continue with the guide to fix the problem.
What causes the Windows Activation Error 0x803FABC3?
There can be multiple culprits behind this Windows activation error code. But among all, the most common ones are listed below. Now that you have a prior piece of knowledge about what causes this activation error let’s check out how to get rid of it.
Fix Windows Activation Error 0x803FABC3
Below is a list of all the effective solutions you can try to get rid of, Windows Activation error 0x803FABC3: Now, let’s take a look at all these solutions in detail.
1] Enter the correct and genuine product key
As mentioned, the very first reason behind the problem can be the incorrect product key. After installing Windows on your system, you need to enter a valid 25 character Windows product key. But in case you are entering an incorrect product key, Windows will fail to identify and throw the mentioned error. So, make sure you are entering the correct and genuine key. You can know about the product key by checking the email that came along with the digital download when you purchased Microsoft store or any third-party reseller. Read: Fix Windows Activation Error Code 0x80041023
2] Run Windows Activation Troubleshooter
Going through the Windows Activation troubleshoot is the first step you should try. But make sure you have the digital license link to your Microsoft account before getting into the activation troubleshooting process. Here’s how to run Windows Activation Troubleshooter. Windows 10 The Windows Activation troubleshooter will open and try to fix the problem. Windows 11 Wait until the troubleshooting process is complete. Once done, check if the problem is fixed or not. See: Fix Windows Activation Errors – List of error codes and fixes
3] Activate Windows after hardware change
The mentioned activation code error cannot occur due to a hardware change that you have made in your system. As it turns out, the Windows product key is linked with the installed motherboard of this system. If you replace that particular part, Windows will fail to identify the product key and will throw the mentioned error code. To fix the problem, check out the guide on activating Windows after a hardware change.
4] Perform SFC scan
A damaged system component can also be the reason causing the issue. To fix the problem, you will have to perform the SFC scan. Here’s how it’s done. Open Command Prompt in administrator mode. Now, type the following command and press the enter key. Wait until Windows completes the process. Once done, check if the problem is fixed or not. Read: Fix Windows Activation error code 0x803F7000 or 0x803F7001
5] Contact Microsoft Support
If none of the above-mentioned workarounds helped you solve the problem, the last thing you can do is try to contact Microsoft support for further assistance.
How do I fix Windows activation errors?
One of the fundamental ways to fix any Windows activation error is to run the Activation troubleshooter. To run it – go to Settings > Update & Security > Activation > Troubleshoot. You should also make sure that you are entering the correct product key.
How do activate Windows 10 in settings?
It’s very easy to activate Windows 10 in settings. Just go to Settings > Update & Security > Activation. Choose the Change Product key option, and type the product key in the dialogue box that pops up. Click on Next, followed by tapping on the Activate option. Read Next: Fix Activation error code 0x803FABB8 on Windows 11/10.
