Article ID: 298218 - Last Review: December 14, 2007 - Revision: 3.2

You cannot install 16-bit applications on Windows XP for 64-bit platforms

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SYMPTOMS

When you attempt to install a 16-bit application on a computer that runs Windows XP for 64-bit platforms, you may not be able to do so, and you may receive one of the following error messages:

Install.exe is not a valid win32 application.

Setup.exe is not a valid win32 application.

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CAUSE

This behavior can occur if the program you are trying to install uses a 16-bit Install.exe or Setup.exe file. Windows XP for 64-bit platforms does not support 16-bit programs.

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