Article ID: 812467 - View products that this article applies to.
After you install one of the Microsoft titles that are listed in the "Applies to" section, and then you try to enter the product key when you are prompted, you receive one of the following error messages:
Error message 1
The product key is not valid. Please re-enter your key.
Error message 2
Note If you have lost a product key for any software, please contact Microsoft Technical support. A fee may apply to obtain a product key. See the "Contact Microsoft Customer Support Services" section in this article.
The product key entered is incorrect or invalid. If the product key was mistyped, please correct it and try again.
This problem may occur for one or more of the following reasons:
To troubleshoot this problem, try the following methods in the order in which they are presented.
Method 1: Verify that you are entering the correct product keyTo make sure that you are entering the correct product key, follow these steps:
Method 2: Delete temporary Internet filesTo delete temporary Internet files, follow these steps:
Method 3: Restart the computer by using a clean startupWhen you start Microsoft Windows, other software may start together with the operating system. These programs may include antivirus and system programs that may interfere with the game.
When you perform a clean startup before you run Setup, you prevent these programs from starting automatically.
For more information about how to perform a clean startup, click the following article number to view the article in the Microsoft Knowledge Base:
331796If the problem continues to occur, go to Method 4.
(http://support.microsoft.com/kb/331796/ )Perform a clean startup to determine whether background programs are interfering with your game or program
Method 4: Contact Microsoft Customer Support ServicesIf the previous methods do not resolve this problem, please contact Microsoft Customer Support Services for help. Make sure that you have the error message in front of you when you call. Also make sure that you have the product disk available so that you can provide the number that is located on the inner circle on the disc.
To contact Microsoft Customer Support Services, visit the following Web site.
http://support.microsoft.com/oasSelect the appropriate product name, and you will be presented with options for contacting Microsoft Customer Support Services.
Article ID: 812467 - Last Review: September 28, 2011 - Revision: 17.0
Contact us for more help