Windows 10/11 Activation Error 0xc004f009: Grace period has expired? Try these methods!

Windows activation error 0xc004f009 indicates that your Windows system grace period has expired. The complete error message is as follows:

Error code: 0xc004f009

Error description: The software license service report grace period has expired.

This will cause the system to be unstable and some functions will fail. Here are five solutions:

Method 1: Run Windows Activation Troubleshooting

Windows's own troubleshooting tools can help you detect and fix activation issues.

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

Step 2: In the Activation tab, click Troubleshoot . Just follow the screen prompts.

Method 2: Extend grace period (applicable to MAK keys)

This error may also occur if you purchased the MAK key but did not activate immediately. You can try modifying the registry to extend the grace period:

Step 1: Press Win R to open the Run dialog box.

Step 2: Enter regedit.exe and press 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 mediabootinstall > Modify > Select Hexadecimal > Change Value Data to 0 > Save Changes > Restart the system.

Step 5: Run Command Prompt as Administrator > Enter slmgr -rearm > Press Enter .

Step 6: Restart the computer and try to activate again.

Method 3: Repair corrupt system files

Corrupted system files are the source of many problems. Use SFC and DISM commands to repair system files:

Step 1: Press Win R to open the Run dialog box.

Step 2: Enter cmd and press Shift Ctrl Enter to run the command prompt as administrator.

Step 3: In the command window, enter sfc /scannow and press Enter .

Step 4: After completion, restart the computer and execute the following commands in the elevated command prompt (press Enter after each command):

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

Method 4: Activate Windows via the command prompt

Step 1: Run the command prompt as administrator.

Step 2: Enter slmgr /ipk and press Enter (replace with your actual key).

Step 3: After installing Windows, enter slmgr /ato in the elevated command prompt and press Enter .

Step 4: Restart the computer and see if the problem is solved.

Method 5: Activate Windows via phone

Step 1: Right-click the Start menu and select Run .

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

Step 3: Select your country and click on Phone to activate .

Step 4: Call the provided phone number to contact Microsoft support team for phone activation.

Summarize

The above are several ways to solve the Windows grace period error 0xc004f009. If none of the above methods work, please contact Microsoft Support for help. I wish you a successful solution to the problem!

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