0x803fa067 on Windows 11: How to Fix it

You can activate Windows with a single line in the Command Prompt

Windows 11 » How To

Reading time icon 2 min. read

Calendar icon Updated on

by Loredana Harsana 

updated on

Share this article

This article is translated in

Country Flag
Readers help support Windows Report. We may get a commission if you buy through our links. Tooltip Icon

Read our disclosure page to find out how can you help Windows Report sustain the editorial team Read more

Windows Activation Error 0x803fa067 on Windows

Sometimes you might get a 0x803fa067 error during Windows 11 activation. This can be a problem since you won’t activate your license, but there are ways to fix this issue, and this guide will show you how.

What causes Windows Activation Error 0x803fa067?

Using an invalid key will give you this error, however, sometimes a problematic update can also cause this issue.

What can I do to fix Windows Activation Error 0x803fa067?

1. Run Windows Activation Troubleshooter

  1. Press Windows + I to get Settings.
  2. Go to System, then click Activation.Activation
  3. Click Troubleshoot.
  4. Select the appropriate option and click Next.
  5. Enter your Microsoft credentials and click Sign in.
  6. Put a checkmark beside This is the device I’m using right now on the next screen.
  7. Click Activate.

2. Disconnect the PC from the internet and upgrade

  1. Press Windows + I to open Settings.
  2. Go to System, then click Activation. Activation
  3. Now under Upgrade your edition of Windows, go to the Change product key and click Change.
  4. Enter your product key and click Next.Change product key
  5. Press Windows + R to get the Run window.
  6. Type ncpa.cpl to open Network properties.NCPA run command
  7. Go to the active connection and click Disable.Network Properties
  8. Now start the upgrade.

3. Use Command Prompt

  1. Press the Windows key, type CMD and Run as administrator.CMD elevated
  2. Type in the following command and press Enter: slmgr /upk
  3. Now type in the command mentioned below by replacing XXXXX with your product key and press Enter: slmgr/ ipk xxxxxxxxxxxxxxxxxxxxxxxxCMD command

4. Activate Windows by phone

  1. Press Windows + R to get the Run window.
  2. Type slui 4 and hit Enter.
  3. On Select your country or region window, select your country.Activation by phone 1
  4. On the next page, you will get phone numbers; call on any of them to get your Confirmation ID.Activation by phone 2
  5. Now enter your Confirmation ID on the next page and click Activate Windows.Activation by phone 3

So, these are the methods you need to follow to fix Windows Activation Error 0xc0020036 on Windows. We also have a guide on the most common Windows activation errors, so don’t miss it for more solutions.

In case you don’t manage to fix the problem, you’ll encounter This copy of Windows is not a genuine message.

Loredana Harsana

Loredana Harsana Shield

Windows Software Expert

Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and she fell in love with tech of all sorts. Whenever she’s not at her work desk, you'll find her enjoying refreshing tea flavors, spilling stories on paper, and listening to the radio.