Fix Windows Error Code 0x803f7001 After Upgrade

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Windows is probably the most favorite program owned by Microsoft. Almost every user love this one. Aside from its popularity, in fact, this thing is not perfect. There are some errors occur with different types. One of the recent errors faced by the users is Error Code 0x803F7001. What is this Error Code 0x803F7001?

This error is counted as the activation error. Usually, this error appears when the users of Windows 10 clean install Windows 10 using flash drive. Aside from that, this error might also occur when you update the BIOS. Another possibility is that there is some issue with the Microsoft activation server. In this case, you just need to wait and verify if it is from the side of Microsoft or the changes that you make to PC.

If the cause is one of the two mentioned earlier, then, you can try these methods to solve the error 0x803F7001 after upgrade to Windows 10. There are about three methods that can you try. Just try the first one before going to another one. The first one is the most recommended one. you are better to try the first one unless it does not work. So, please follow the instructions well.

The first method is entering the keys. To do this one, you have to go to Start > Settings > Update and Security > Activation > Change Product Key. Then, please enter the Product Key of the original OS you had before upgrading to Windows 10. After that, you have to navigate to change Product Key and then hit the Enter button.

The second method is activating Windows 10 using the phone. In this method, you have to use the phone in order to call the toll free number. To do this method, first, keep holding the windows key and then press R key to open Run Command. Second, type Slui 4 in the Run Windows that appears and then press the Enter button. Third, you will require to Select your Country/Region. So, please select one and then click on Next in order to go the next step. Fourth, you will be presented with toll free number, so use the phone and dial the number to get the confirmation ID. Fifth, enter the confirmation ID number in A to H once you get it. Last, please click on Activate.


The last method as the alternative to fix this error is following the cycle again. In this one, you have to follow the Cycle of Installing Windows 7/8/8.1 whichever OS you own with Product Key. After it is done, please download Windows Media Creation tool and use the feature of “Update this PC” to upgrade the PC from the current one to Windows 10. If this one works well, then you should be able to upgrade to Windows 10 fast.

Which one of the methods seem easier for you? Hope any of the methods explained works for you so that Windows Error Code 0x803f7001 can be fixed soon.

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