Error message when you try to validate Office by using Office Genuine Advantage: "Why didn't my computer complete validation" or "Error code: 0x8018111"

Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

The Office Genuine Advantage (“OGA”) program has been retired. For more information about the benefits of genuine Office, please visit the following website:


When you try to validate the 2007 Microsoft Office system, Microsoft Office 2003, or Microsoft Office XP by using Office Genuine Advantage, you receive one of the following error messages:
Error message 1
Why didn’t my computer complete validation?
Error message 2
Error code: 0x8018111


To resolve this issue, your computer must be running one of the following Microsoft Windows operating systems to successfully validate a 2007 Office suite, Office 2003, or Office XP:
  • Windows Vista
  • Windows XP
  • Microsoft Windows 2000
If you have the 2007 Office system, Office 2003, or Office XP installed on a computer that is running Windows Vista, Windows XP, or Windows 2000, try to validate Office again.

More Information

If you continue to experience problems when you try to validate the 2007 Office system, Office 2003, or Office XP, try to run the Genuine Advantage diagnostics tool. To do this, visit the following Microsoft Web site:

Article ID: 917999 - Last Review: Jun 20, 2014 - Revision: 1