Article ID: 919868 - View products that this article applies to.
When trying to run the Windows Genuine Advantage validation check located on the Windows Update web site, the following error message is displayed
Validation Incomplete: Unable to Perform Validation (Error Code 0x80080299)
You have encountered an unknown error. Please contact your local product support team for further assistance with this issue.
This issue may occur if the ActiveX Controls add-on is not installed or enabled. The ActiveX Controls add-on is required for the WGA validation check.
Confirm that the Windows Genuine Advantage Validation Tool add-on is enabled.
If the validation process still fails after the add-on is enabled, or if you do not have the Windows Genuine Advantage Validation Tool add-on installed, go to the Windows Genuine Advantage web site, and run the following validation process.