您最近是否在计算机屏幕上遇到过Windows 激活错误代码 0xC004C008 ？如果是这样，那么这篇文章将帮助您解决此问题。当您安装、更新或升级Windows 11/10时，通常会出现此问题。它表明您正在使用的Windows 11/10产品密钥可能已在多个设备上使用。在本文中，我们解释了可以帮助您解决此问题的可能解决方法。

使用此激活^(Activation)错误，您可能会看到一条错误消息，说

0xC004C008, 激活服务器确定无法使用指定的产品密钥。

有时您可能会看到不同的错误消息：

激活服务器报告产品密钥已超过其解锁限制。（错误代码：0xC004C008）

Windows 激活错误代码 0xC004C008^{(Windows Activation Error Code 0xC004C008)}

如果您尝试使用的产品密钥已在另一台 PC 上使用过，或者在Microsoft 软件许可^{(Microsoft Software License)}条款允许的情况下在多台 PC 上使用，则会出现此错误。通过为每台 PC 购买产品密钥来解决^(Fix)此激活问题，以便在它们上激活Windows。

您可以按照以下步骤从Windows 应用商店^{(Windows Store)}购买产品密钥：

1. 单击^(Click)开始，^(Start)然后选择  Settings > Update和安全 >激活^(Activation)。
2. 选择前往商店^(Store)，然后按照显示的说明购买Windows。

如果这没有帮助，请按照以下建议解决此问题：

1. 尝试激活疑难解答
2. 使用电话激活
3. 联系 Microsoft 客户支持

现在让我们详细了解它们：

1 ]尝试^(Try)激活疑难解答^(Activation)

如果由于某种类型的许可限制而出现此问题，那么您可以尝试使用内置的激活疑难解答工具来修复它。请按照以下步骤操作：

• 首先，使用Win+I键盘快捷键打开 Windows 设置。^{(open the Windows Settings)}
• 打开后，单击Update & Security > Activation选项卡。转到右侧并单击疑难解答^{(Troubleshoot)}。
• 然后选择“应用此修复^{(Apply this fix)}”选项以执行修复策略。

完成后，重新启动计算机并检查激活^(Activation)错误代码 0xC004C008 是否已解决。

2]使用电话激活

或者，您可以通过电话激活您的^(Phone)Windows 11/10设备。这是如何做到的：

• 按Windows键 + R打开“运行”^(Run)对话框。在文本框中，键入“SLUI 4”并按Enter 键^(Enter)。
• 从选项列表中选择^(Select)您所在的国家/地区，然后单击“下一步”^{(Next )}按钮。
• 当电话激活页面打开时，请尝试联系您所在国家/地区的可用号码。
• 按照指示正确使用自动化系统。
• 如果您从自动化系统收到确认 ID，请记下它。
• 然后在框中输入提供的确认 ID，然后点击激活^(Activate)。

完成这些步骤后，此激活错误^(Error)应该消失了。

3]联系微软客户支持^{(Contact Microsoft Customer Support)}

不幸的是，如果上述方法都不适合您，并且您仍然面临Windows 激活错误^{(Windows Activation Error)}代码 0xC004C008，请联系 Microsoft 支持^{(contact Microsoft Support)}并请求他们激活您的操作系统。

Hope this helps!

0xC004C008, Activation server determined that product key can't be used

Did you recently encounter Windows Activation Error Code 0xC004C008 on your computer screen? If so, then this post will help you to fix this issue. This problem generally occurs when you install, update, or upgrade your Windows 11/10. It indicates the Windows 11/10 product key you are using may have been used on multiple devices. In this article, we have explained the possible workarounds that can certainly help you to resolve this issue.

With this Activation error, you could see an error message saying

0xC004C008, The activation server determined that the specified product key could not be used.

Sometimes you may see a different error message:

The activation server reported that the product key has exceeded its unlock limit. (Error code: 0xC004C008)

Windows Activation Error Code 0xC004C008

The error occurs if the product key which you are trying to use has already been used on a different PC, or it is being used on more than one PC than the Microsoft Software License Terms allow. Fix this activation problem by buying a product key for each one of your PCs in order to activate Windows on them.

You can buy a product key from the Windows Store by following these steps:

1. Click on Start and then select  Settings > Update & security > Activation.
2. Choose Go to Store, and follow the shown instructions to buy Windows.

If that doesn’t not help, then follow the below suggestions to get rid of this issue:

1. Try the Activation troubleshooter
2. Use Phone Activation
3. Contact Microsoft Customer Support

Let us now see them in details:

1] Try the Activation troubleshooter

If this problem has occurred due to having some type of licensing restriction, then you can try the built-in Activation troubleshooter tool to fix it. Follow the below steps to do it:

• First of all, open the Windows Settings using the Win+I keyboard shortcut.
• Once it opens, click on Update & Security > Activation tab. Go to the right side and click on the Troubleshoot.
• Then select the ‘Apply this fix’ option to perform a repair strategy.

Once you have done, reboot your computer and check if Activation error code 0xC004C008 is solved.

2] Use Phone Activation

Alternatively, you can activate your Windows 11/10 device by Phone. Here is how to do it:

• Open the Run dialog box by pressing the Windows key + R. In the text box, type “SLUI 4” and hit Enter.
• Select your country from the list of options and click on the Next button.
• When the phone activation page opens, try to contact the number available for your country.
• Use the automated system properly as instructed.
• If you receive a confirmation ID from the automated system, note down it.
• Then enter the provided confirmation ID in the box and then hit Activate.

Once you complete the steps, this activation Error should be gone.

3] Contact Microsoft Customer Support

Unfortunately, if none of the above-mentioned methods worked for you and you are still facing the Windows Activation Error code 0xC004C008, then contact Microsoft Support and request them to activate your operating system.

Hope this helps!

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