Hello,
You state that you have a valid XP disc, do you have the key code? If so you can call Microsoft and reactivate your copy of Windows.
To contact a Microsoft customer service representative and activate Windows by phone, follow these steps:
1. Click “Start”, point to” All Programs”, point to “Accessories”, point to” System Tools”, and then click “Activate Windows”.
Or, click the Windows Activation icon in the notification area.
2. Click Yes, I want to telephone a customer service representative to active Windows now.
3. Click “Read the Windows Product Activation Privacy Statement”, click “Back”, and then click “Next”
.
4. Follow the steps in the Activate Windows by phone dialog box and then click “Next”.
Note: The number appears now and differs based on the location that you select.
5. Once activation is completed and you receive the following message, click “OK”.
You have successfully activated your copy of Windows.
More information on how to activate Windows XP at
http://support.microsoft.com/kb/307890
Also you may reference the following site for various telephone activation centers:
http://support.microsoft.com/kb/326851.If you are done with the activation, kindly proceed in validating the copy of your software by going to
http://www.microsoft.com/genuine . Click “Validate Windows” button.
http://support.microsoft.com/kb/905474
Notification area
If your copy of Windows fails validation, you will receive notifications in the lower portion of your desktop that indicates your copy of Windows did not pass genuine validation. You can click the notification or click the WGA icon in the notification area to open the Windows Genuine Advantage Validation Failure Web page. This Web page gives you the specifics of the validation failure and the steps that you can take to make the operating system genuine.
Persistent Desktop notification
The persistent notification is an image that floats above the lower-right corner of the desktop. If your copy of Windows XP is not genuine, a persistent notification will appear below any active window to indicate that your copy of Windows did not pass genuine validation. You may interact with any icons that appear to be under the persistent notification. However, it cannot be hidden with objects on the desktop.
Desktop background change
If your copy of Windows fails validation, the desktop will also be set to a plain black background. You may reset the background to a wallpaper or to another background color, but the desktop will be reset to a plain black color every 60 minutes, until your copy of Windows passes validation.
Every time that a notification appears, you can choose to receive detailed information about the specific validation failure. The information includes the steps that you can take to resolve the problem.
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Previous releases
The previous sections describe features for the most recent release of the WGA Notifications for Windows XP application. If you are running a previous release of WGA Notifications, you may not have all the features that are described in this article. However, you will receive detailed information about the specific reasons for validation failure time every time you receive a notification. In addition to receiving options when you log on, you will also receive periodic notifications while you are logged in. To view the options that are available or to learn more about how to obtain genuine Microsoft Windows software, you can click the notification or the icon in the notification area.
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APPLIES TO
Microsoft Windows Genuine Advantage
Microsoft Windows XP Professional
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http://support.microsoft.com/kb/905474