When attempting to activate Windows 7 online, the following activation error code may be returned and shown by activation wizard: 0xC004C008 0xC004C008 error is one of the common Windows activation error code that may cause the activation procedure to fail. The possible causes or reasons that may cause the error includes the following, according to Microsoft: Your computer’s hardware has been changed. Windows 7 was … Continue reading Windows 7 Online Activation Error 0xC004C008