Click Start, click Run, type wgatray.exe /b, and then click OK.
Note The wgatray.exe command might not be available on your computer. This command is available only on computers that have Windows Genuine Advantage Notifications installed. If the wgatray.exe command is unavailable, it is not an error. Go to the next step. For more information about Windows Genuine Advantage Notifications, click the following article number to view the article in the Microsoft Knowledge Base:
905474 Description of the Windows Genuine Advantage Notifications application
Restart the computer.
Automated steps to update the WGA Data.dat file on a single computer
To perform an automated update of the Data.dat file, follow these steps:
When you are prompted, click Run to run the Microsoft Genuine Advantage Diagnostic Tool.
Note Depending on your security settings, you might be prompted several times to confirm that you want to run the tool.
On the Windows tab, click Resolve.
If this method does not work, use the instructions in the "Manual steps to update the WGA Data.dat file on a single computer" section.
Steps to automatically update the WGA Data.dat file on multiple computers
The following sample script is a simple .cmd script. To run this script on multiple Windows XP-based client computers, use Group Policy, Microsoft Systems Management Server, or other tools that are available in your environment. Use the best method for your environment to distribute the script. To run this script individually, you must run the script as an administrator.
To create this script, open a new .txt file, and then paste the following script text in the new file. After you create the file, rename it by using a .cmd file name extension.
Microsoft Windows XP Home Edition, Microsoft Windows XP Media Center Edition, Microsoft Windows XP Professional, Microsoft Windows XP Starter Edition, Microsoft Windows XP Tablet PC Edition, Microsoft Windows Genuine Advantage