Windows stores instructions for graphical elements such as dialog boxes and windows in the User32.dll file.

This content is designed for a beginner computer user. The step-by-step procedures in this article will not take very much time to be completed. 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). How to correct common User32.dll file errors Support for Windows Vista without any service packs installed ended on April 13, 2010.