How to Reinstall Win32s with Visual FoxPro

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Visual FoxPro is a 32-bit application, so it requires a 32-bit operating system. The Microsoft Setup system installs the Win32s operating system under Windows and Windows for Workgroups to provide a 32-bit environment.

If you receive a Win32s error such as "Improper Installation," you might need to reinstall the subsystem. However, you should use extreme caution when proceeding. If you believe you have a faulty installation of the Win32s operating system, and need to reinstall it, use the following step-by-step procedure.

1. Remove Win32s from your system.
   
   
   1. Remove the following line in the [386Enh] section of the SYSTEM.INI file:

      device=<WINDOWS>\<SYSTEM>\win32s\w32s.386

      Here <WINDOWS> and <SYSTEM> are where the Windows and System directories are located.
   2. Modify the following line in the [BOOT] section of the SYSTEM.INI file:

      drivers=mmsystem.dll, winmm16.dll

      to the following (remove winmm16.dll):

      drivers=mmsystem.dll

   3. Delete the following files from the <WINDOWS>\<SYSTEM> subdirectory or from the SYSTEM directory in network installations:

      W32SYS.DLL
      WIN32S16.DLL
      WIN32S.INI

      NOTE: In some instances the file WINMM16.DLL, located in the System subdirectory, will also need to be deleted.
   4. Delete all the files in the <WINDOWS>\<SYSTEM>\WIN32S subdirectory or the <SYSTEM>\WIN32S subdirectory in network installations. Then delete subdirectory itself.
   5. Restart Windows.
   NOTE: <WINDOWS> refers to the windows installation directory. On a networked Windows installation, the system directory may be located on a remote share. If you are only removing Win32s from your machine, then you do not need to remove the shared files (in <SYSTEM> and <SYSTEM>\WIN32S). Before removing these files from the network share, make sure all users that use Win32s have removed the references to Win32s from the SYSTEM.INI file.
2. Reinstall Win32s.
   
   Because the maintenance mode of the Microsoft Setup program is also designed to reinstall system files, you can run the SETUP program to reinstall Win32s. The maintenance mode of SETUP is started when SETUP detects that a version of Visual FoxPro has been installed. When the Setup Dialog is displayed, select the Add/Remove option, click the Change Option button, and click the Win32s and OLE 2.02 check box option to add Win32s.
   
   If you prefer to have a clean installation of Visual FoxPro, you can bypass the maintenance mode of the Visual FoxPro Setup by deleting the FOXSET16.STF, FOXSET32.STF, or FOXSET95.STF files located in the VFP\SETUP directory. Setup Table Files (STF) are text files that contain information about your Setup. In particular, they report at which point a maintenance mode installation should begin. Deleting the STF file will force a new installation of Visual FoxPro.