This article contains general step-by-step methods that you can use to try to resolve this problem. This problem may occur for several reasons. When you try to use a program on your computer, you receive an error that includes the User32.dll file in its description. For more information, refer to this Microsoft web page: Support is ending for some versions of Windows INTRODUCTION
To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). Support for Windows Vista without any service packs installed ended on April 13, 2010.
