Manuals are posted on your model support page.
Click the Start button and then in the Search box, type: cmd.
Verify the Software Protection service is started and set to automatic.Perform a Windows system restore to a date before the issue started occurring.The easiest and quickest solutions are listed first. NOTE: Any one of the following procedures may resolve the issue. If you are not able to resolve the issue using the information above, follow one of the procedures below: The error window should include a phone number to contact Microsoft® support for more information. This error may indicate Microsoft® Corporation does not allow activation using that product key. You receive the error 0xC004C003 the activation server determined the specific product key is blocked.To resolve the issue, reverse any changes made by the third-party software and uninstall it. If the Windows® Genuine Authentication tool detects a language pack is installed on an unsupported version of Windows, then the message This copy of Windows is not genuine along with the error code 0x8004FE21 is displayed.
If you installed a language pack on a lower version, you may have used third-party software to install it. Language packs are supported on the Ultimate or Enterprise version of the Windows® 7 operating system only.
When using a Windows® 7 upgrade product key, the installation must detect a previous version of the Windows® XP, Windows Vista® or Windows® 7 operating system. This error can occur if you are trying to install an upgrade version of the Windows® 7 operating system on a computer with an empty or formatted hard drive.
Use the information below to remove this message: The message also may be associated with an error code.
The message This copy of Windows is not genuine may be displayed on the Windows® desktop for several reasons.