Office 2010 product key change error Step by Step


The previously installed version of Office 2010 prompts the user to change the product key. The screen then disappears, and shows no response when product key change is clicked.


This may be caused when the product keys of Office 2010 programs do not match.

How to fix

To resolve this issue automatically, go to the "Resolution support" section. To fix this issue manually, go to the "Let me fix it myself" section.

Resolution support

To resolve this issue automatically, click the Fix it button or link. In the Download file dialog box, click Run and follow the steps in the Fix it wizard.

  • Even in a different language version of Windows, you can use the Auto-resolve function.
  • If you are not currently working on the computer that has this issue, save the Fix it solution to a flash drive or CD and run it on the computer that has this issue.

Please go to the "Issue resolved?" section.

Let me fix it myself

This issue can be resolved by removing the Office 2010 registry values.

The following describes how to modify the registry. Incorrect registry modification can cause serious problems, so please proceed with extra caution. For additional protection, you are recommended to back up the registry before modifying it. This allows you to restore the registry if a problem occurs. For more information about backing up the registry, click the following article number to view the article in the Microsoft Knowledge Base.

Back up the registry

  1. Click Start and enter regedit in the search pane. At the top of the program list, click regedit.

    If the user account control message appears, enter the administrator password, or click Yes.

  2. In Registry Editor, go to the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Registration path.

    If the operating system is Windows 7 64-bit, go to the HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\14.0\Registration path.

  3. There are several GUID (Globally Unique Identifiers), consisting of a combination of alphanumeric characters, in the Registration subpath. Each GUID specifies the program that is installed on your computer. Click each GUID to view the registry entries in the right pane, and find and select the GUID that contains the relevant Office program version.

  4. After selecting the GUID that contains the Office program version, find and right-clickDigitalProductID and click delete.

    Click Yes when the confirm value delete message appears.

  5. Find and right-click ProductID and click delete.

    Click Yes when the confirm value delete message appears.

  6. Close Registry Editor and restart the computer.

  7. When you run any Office 2010 program, the Enter your product key screen will appear. Enter the correct product key to complete product key change.

Issue resolved?

  • Determine if the issue has been resolved. If the issue has been resolved, the process described in this section is finished. If the issue is not resolved, you can contact technical support.
  • Thank you for your comments. To submit feedback or any problems found in the approach to resolving this issue, please leave comments on the "Fix it for me" blog or send an E-mail.

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ID articol: 2581695 - Ultima examinare: 14 feb. 2017 - Revizie: 1

Microsoft Office Home and Student 2010, Microsoft Office Home and Business 2010, Microsoft Office Professional 2010, Microsoft Office Professional Plus 2010