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"Product key not valid" error in Microsoft Games, MapPoint, or Streets and Trips
Describes that you receive a "The product key is not valid" error message when you install and try to activate a Microsoft game, Streets and Trips, or MapPoint. Provides several methods to resolve the problem.
Skins for Windows Media Player - Microsoft Windows
Download free skins for Windows Media Player.
A history of Windows - Microsoft Windows
Learn about the history of Windows and see a timeline of highlights from the first 25 years of Windows product development.
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