Microsoft has confirmed it is investigating a bug causing the Windows 10 KB5068781 extended security update to fail to ...

Microsoft has blocked the popular Massgrave KMS38 activation method with the November 2025 Patch Tuesday update.

The tool works on all current builds of Windows 10 and Windows 11 and uses the same internal A/B test logic that Microsoft ...

The Software Licensing Service determined that the specified Key Management Service (KMS) cannot be used. What causes Windows Activation Error 0xC004F015? There can ...

Before you proceed any further, run the Windows Activation Troubleshooter first. Also, verify that the product key you’re trying to use for the activation is genuine and the correct product key for ...