Full Fixed – Windows 10 Activation Error 0xc004f009

Windows Activation Error 0xc004f009

Once you installed a copy of Windows on the computer, it will fall into the grace period. Before this period is expired, you can use all the features in Windows without any restriction. If you receive the activation error 0xc004f009, it indicates that the grace period has expired. The complete error message is:

Error code: 0xc004f009

Error Description: The Software Licensing Service reported that the grace period expired.

After that, your operating system will be unstable and vulnerable because some important functions might fail to work. Therefore, you need to solve activation error code 0xc004f009as soon as possible. In this guide, we have list 5 effective solutions to you. Scroll down to get detailed instructions.

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How to Fix Windows 10 Activation Error 0xc004f009?

Fix 1: Run Windows Activation Troubleshooter

When encountering Windows activation error 0xc004f009, you can consider firstly utilizing Windows inbuilt tools to identify the error and fix it. Here’s how to run Windows Activation Troubleshooter:

Step 1. Press Win + I to open Windows Settings and select Update & Security.

Step 2. In the Activation tab, hit Troubleshoot. If this tool detects any problems, follow the on-screen commands to solve it.

Fix 2: Increase the Grace Period

If you purchased the MAK key but didn’t activate it immediately, Windows activation error 0xc004f009 might also appear. If this is the case, you can extend the grace period by tweaking the value data of mediabootinstall. To do so:

Step 1. Press Win + R to open the Run box.

Step 2. Type regedit.exe and hit Enter.

Step 3. Navigate to the following path:

HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Setup\\OOBE\\mediabootinstall

Step 4. In the right pane, right-click on mediabootinstall > hit Modify > tick Hexadecimal > change the Value data to 0 > save the changes > reboot your system.

Step 5. Launch Command Prompt with administrative rights> type slmgr -rearm > hit Enter.

Step 6. Restart your computer and repeat the activation process.

Fix 3: Repair Corrupted System Files

Corrupted system files are a common cause for most issues on your computer. Therefore, repairing system file corruption via SFC and DISM is also worth a shot. To do so:

Step 1. Press Win + R to open the Run box.

Step 2. Type cmd and press Shift + Ctrl + Enter to launch Command Prompt as an adminstrator.

Step 3. In the command window, type sfc /scannow and hit Enter.

Step 4. After the process is done. Restart your computer and execute the following commands one by one in an elevated Command Prompt and don’t forget to hit Enter after each command.

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

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Fix 4: Activate Windows via CMD

To cope with Windows 10 activation error 0xc004f009, another way is to activate your Windows version via Command Prompt. Follow these instructions:

Step 1. Run Command Prompt as an administrator.

Step 2. In the command window, type vbs -ipk <MAK key> and hit Enter. Remember to replace MAK key with your MAK key.

Step 3. After Windows is installed, type vbs -ato and hit Enter in an elevated Command Prompt.

Step 4. Restart your computer to see if activation error 0xc004f009 is gone.

Fix 5: Activate Windows by Phone

It is reported that activating your Windows version by phone can also do the trick. Here’s how to do it:

Step 1. Right-click on the Start icon and select Run.

Step 2. Type ms-settings:activation or SLUI 4 and hit Enter.

Step 3. Choose your country and hit Phone Activation.

Step 4. Call the provided phone number to contact Microsoft’s support team to activate the copy of Windows on Phone.  

Final Words

That’s all you can do to deal with grace period error 0xc004f009. If none of the solutions help you out, you can contact Microsoft support directly. After that, you can use Windows without any restrictions on its features. Have a nice day!