Don’t worry, as Windows 10 upgrade issues are nothing out of the ordinary. Even if you enter the valid product key after you installed the fresh copy of your new Windows operating system, you still get this error. That’s a sign that the Key Management Service couldn’t be contacted during the activation procedure. There are all sorts of speculations regarding the causes of the activation error 0x004f074, but most likely it appears to be triggered by conflicts with antivirus or firewall utilities, compromised Windows upgrades, wrong edition choices, and similar. Luckily, we prepared a couple of workarounds to help you get rid of this error. If you’re ready to fix it, try the following solutions right away.

How can I fix Windows 10 activation error 0x004f074?

1. Execute Slmgr.vbs command

First, you should try to eliminate this error using the Command Prompt with administrative rights. You may easily use this guide to make yourself an administrator in case of not being one already. Then, the first command usually replaces the product key. The second one is finally used to force Windows to attempt an online activation.

2. Use the System File Checker tool

Lots of people confirm that they have managed to work around activation error 0x004f074 by running the System File Checker tool. You may try the same by applying the above steps.

3. Disable/uninstall antivirus or firewall utilities

If you’re running an antivirus or firewall program, this might prevent your OS from licensing files over the Internet. You can try to disable it for a short while and see if this solves your problem. If it doesn’t, just follow the steps given above to uninstall the tool. If you don’t want to struggle with manual techniques, be sure to check out this amazing list with the best uninstaller software you can use right now.

4. Activate your Windows by phone

If you still get the same error, try to activate your Windows by phone. This is also a convenient way to activate Microsoft Windows and it requires calling the Microsoft Activation Center to exchange activation information. That would be all. After performing one of these steps, you should be able to activate your Windows normally and get that prompt stating The machine is permanently activated. If you have any questions or suggestions, please leave your comments at the bottom.

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