|  |  |  |  | 

How to Fix Activation Error 0xC004F050 in Windows 10

Table Of Content:


Error Code 0xc004f050 – What is it?

The error code 0xc004f050 indicates a trouble activating the Windows key. The problem happens when you try to activate a copy of Windows using the Windows Activation wizard. This happens when the system becomes unstable and vital system files begin to vanish. Despite the fact that Windows 10 is a free update for Windows 7/Windows 8/Windows 8.1 consumers, the activation issue continues. If you already had Windows 7/Windows 8/Windows 8.1 activated and successfully updated, you should be OK. This problem happens only when you conduct a clean install.


When you use the Windows Activation wizard to activate a copy of Windows Vista or Windows 7, you get an error similar to the one below:

An error has occurred


The Software Licensing Service reported that the product key is invalid


Error Causes

  • This is caused by an invalid product key.
  • This issue can occur if the license validity interval has expired or if the license is not properly signed.
  • When the system becomes unstable and critical system files begin to disappear, Error Code 0xc004f050 occurs.
  • Improper installation, deletion of critical system files, misconfigured system files, and other factors may also contribute to this error.
  • When you perform a clean install, everything on the Primary Drive is erased, and Windows is unable to locate the Hardware ID, which is used to verify your license.
  • This error may occur on Windows 7, Windows Server 2008, and Windows Vista-based computers if you enter the key for a beta version of the operating system while using the released version of the operating system.

Further Information and Manual Repair

This problem is not something that can be repaired in seconds but will take some time and technical understanding.

Method 1:

Replace the product key using the Change Product Key tool:

  • Click Start, then Computer, and finally System Properties in the toolbar.
  • Click Change product key in the Windows activation area.
  • If asked for an administrator password, enter it or click Continue.
  • Enter the product key in the Product key box and then click Next.
  • To finish the activation procedure, follow the instructions in the Windows Activation Wizard.

Method 2:

Activate Windows by dialing the following number:

  • Click Start, followed by Computer.
  • On the toolbar, select System properties, and then click Click here to activate Windows now in the Windows activation dialog box.
  • If an administrator password is requested, enter it and click Continue.
  • Click “Show me other methods” to activate.
  • Click “Follow the instructions “on the automated phone system.

Method 3:

  1. Using the installation CD, do a clean installation of Windows 7/Windows 8/Windows 8.1 and activate your copy.
    Now, either download all of the updates to get the Windows 10 Upgrade message, or download Windows Media Creation Tool and choose the option Upgrade this PC to obtain Windows 10 straight away.
    Check the Activation Status when the update is complete. It will be completely operational, as it should be. The error code 0xc004f050 should no longer show.If you want to get rid of the old Windows installation folder, use the Windows Media Creation Tool to create a Flash Drive. Windows 10 Clean Install Ignore it now anytime it asks for a product key. When the installation is complete, Windows will identify and activate your Copy.NOTE: A clean install prevents you from returning to an earlier version of Windows 7 or Windows 8. So only do so if you are certain you will be using Windows 10 from now on.
  2. Follow these methods to verify the status of Windows activation:
  3. Click the Start button, followed by Computer.
    View the activation status in the Windows activation area by clicking System properties on the toolbar.
  4. Browse our huge collection or utilize search to find articles that will explain and aid you in addressing your problem.
    However, if you like to do tasks fast and automatically, we propose that you choose an automated solution for your concerns. The applications we recommend are RESTORO and DRIVERFIX.
    RESTORO is a one-click solution for restoring your whole system. 
  5. This program is useful for restoring corrupted registry entries and improving the general performance of your computer. Apart from that, it cleans your computer of any junk or damaged files, enabling you to delete any unwanted items from your system.
  6. RIVERFIX is your one-stop shop for all of your driver needs. It entirely automates the process of keeping drivers up to date and malware and corrupt drivers at bay. It delivers a one-click solution for all Windows PC driver needs with its lightning-fast scans and huge library.
    To learn more about the benefits of this program and to get a free trial copy, please visit our RESTORO or DRIVERFIX Download pages.
  7. When you make major changes to your system, you may get the activation Error Code 0xC004F050. This includes, but is not limited to, replacing a corrupt hard drive, upgrading Windows 10 from Home to Pro, servers being inundated with requests from other users, and so on. When trying to activate Windows 10, you may see the following error message.


Editor Tip: RESTORO is a fantastic piece of software that can automatically detect and handle update, activation, and driver problems on your Windows 11/10 PC. Having this tool means that you can make the most of your device.

Download: RESTORO PC Repair Tool

"The product key you entered didn’t work. Check the product key and try again, or enter a different one. (0xc004f050)".


If you do not have a valid Windows 10 product key, this problem may appear. If you legitimately obtained the keys, try reactivating Windows 10 through Command Prompt or the Settings application. Use the default troubleshooter if the activation fails again. If the problem persists for longer than a day or two, you may begin a phone contact with Microsoft’s support personnel to resolve it.


Windows 10 Activation Error 0xC004F050 Solutions

To solve the activation issues on your device, follow the below troubleshooting methods –

Note: If you don’t have a genuine product key or digital license linked to your official Microsoft account, the below solutions aren’t going to help you at all.

1] Downgrade Windows 10 Edition Downgrade Windows 10 Edition’ target=”/]

When you upgrade your operating system to a later version of Windows 10, activation issues may arise. Many individuals, for example, update their Windows 10 Home edition, either purposefully or unintentionally, to the Pro or Enterprise edition. Microsoft keeps track of previous operating system versions loaded on hardware. If they see a significant difference, they just report it, which results in an activation error.

The easiest solution is to return to your operating system’s Home version. If you don’t want to revert, visit the official website and buy a genuine product key. This key may be used to reactivate the newly installed Windows 10 operating system.

2] Troubleshoot Activation Issues Troubleshoot Activation Issues’ target=”/]

This is the most effective method for resolving the causes of the 0xC004F050 error on the computer. Here are the key actions to take:

  • By hitting the Win + I keys simultaneously, you may access the Settings program.
  • Navigate to Update & Security > Activation.
  • Navigate to the right pane and choose Troubleshoot.

Troubleshoot Activation

  • Now, follow the on-screen instructions to complete the remaining steps.
  • After the troubleshooting finishes, open the report it provides. The report contains all the relevant information causing activating issues on your computer.

3] Use a Legitimate Product Key Use a Legitimate Product Key’ target=”/]

The activation problem 0xC004F050 is most often seen when you do not use a legitimate product key. It’s a good idea to double-check if you’re using a legal key by following the instructions below –

Through CMD

slmgr.vbs /ipk <ProductKey>

Note: Replace the “<ProductKey>” part with your 25-digit product key.

  • If you are using a legitimate key, you will receive a successful message.

Via Settings App

Alternatively, you may also activate Windows 10 via the Settings application. For this, navigate to the path –

Settings (Win + I) > Update & Security > Activation

  • Jump to the right side and click Change Product key.
  • Put a 25-digit product key at the required place and press Next.

Enter a Product Key

  • Your device will connect automatically to Microsoft’s server and check its legitimacy.
  • In case of not finding any issues online, this will activate your copy of Windows 10.

4] Reactivate Windows after a hardware change Reactivate Windows after a hardware change’ target=”/]

If you just replaced your hard disk, you may be experiencing similar computer issues. To fix this, notify Microsoft of a hardware change on your device. This method is only applicable if you previously logged in to your Windows 10 PC with a Microsoft account.

The company creates a digital license and links it to your official account. By doing so, they protect you from losing critical access to Microsoft and its services. This is how you inform the proper authorities about a hardware change:

  • To open the Settings window, press Win + I.
  • Enter activation into the search area and then choose Activation settings from the pop-up results.
  • Click Troubleshoot in the right pane.
  • When troubleshooting is complete, choose “I recently changed hardware on this device.”
  • Windows will then offer you to sign in with your official account, which you should do.
  • Microsoft will then provide a list of available devices for activation.
  • Choose the one you’re presently using and press the Activate button.

5] Contact Microsoft Product Activation Center Contact Microsoft Product Activation Center’ target=”/]

If the problem persists after attempting the methods listed above and you are certain that the license was obtained legally, you should contact the Microsoft Product Activation Centre. Here’s how you activate Windows with Microsoft’s help —

  • Press WinKey + R to invoke the Run command.
  • Type SLUI 4 in the dialog box and hit OK.

Activation Error 0xC004F050 - SLUI 4

  • On the next window, select your country using the drop-down menu and press Next.
  • You will get an assistant number, call them, and provide your installation ID when asked to.

Activation Error 0xC004F050 - Activate Over Phone

  • The experts will tell you the confirmation ID over the phone. Fill in the details carefully to activate your Windows 10 device.

Please keep in mind that activating Windows 10 over the phone is a time-consuming procedure, so pay close attention to the instructions and do as instructed over the phone.

How do I fix Error code 0xc004c003 on Windows 11/10?

Because issue number 0xc004c003 signals a Windows activation error, you may activate your copy of Windows 11 or 10 using one of the methods described above.


If Our Method Resolve Your Problem Consider To Share This Post, You can help more People Facing This Problem and also, if you want, you can Subscribe at Our Youtube Channel as Well!