PRB: Screen Turns Black & Returns as Start Visual FoxPro or Exe
Article ID: 138658
Article Last Modified on 2/10/2000
APPLIES TO
- Microsoft Visual FoxPro 3.0 Standard Edition
This article was previously published under Q138658
SYMPTOMS
When you start Visual FoxPro or a Visual FoxPro application executable
(.exe) file on a 16-bit operating system, the screen flashes black, as if
going to an MS-DOS session, and then it returns to Windows without starting
Visual FoxPro or the application. Or you receive this error message:
This program cannot be run in DOS mode.
CAUSE
The Win32s subsystem is missing or is not properly installed. On 16-bit
Windows platforms, such as Windows 3.1 or Windows for WorkGroups 3.11, the
Win32s subsystem in necessary for Visual FoxPro and Visual FoxPro
application .exe files to run.
RESOLUTION
If Visual FoxPro won't start, you need to reinstall the Win32s subsystem.
For more information about how to reinstall the Win32s subsystem, please
see the following article in the Microsoft Knowledge Base:
129979
How to Reinstall Win32s with Visual FoxPro
If a Visual FoxPro application .exe file won't start, use one of the
following two possible resolutions:
- If the Setup Wizard was not used to create distribution floppy disks for
your executable, run the Setup Wizard to create a set of distribution
disks disks or a netsetup directory for workstation installations. Then
in "Step 2 - Optional Components" of the Setup Wizard, select Win32s as
one of the optional components.
-or-
- If the Setup Wizard was used to create distribution diskettes, rerun the
Setup Wizard to rebuild the floppy disk images. Be sure to select Win32s
as one of the optional components on "Step 2 - Optional Components."
NOTE: Windows 95 and Windows NT are 32-bit operating systems and do not
require the Win32s subsystem.
STATUS
This behavior is by design.
Additional query words: VFoxWin
Keywords: KB138658