PRB: Win32s Errors During Visual FoxPro Installation (130712)
The information in this article applies to:
- Microsoft Visual FoxPro for Windows 3.0
This article was previously published under Q130712 SYMPTOMS
When installing Visual FoxPro version 3.0, you may see the following
message:
Win32s error
Improper installation
Win32s requires w32s.386 in order to run
Reinstall win32s
CAUSE
This is not a Win32s problem. It is related to a missing Device=*vmcpd line
in the 386Enh section of the SYSTEM.INI file. This line provides a virtual
device driver for math coprocessors.
WORKAROUND
Add this line:
Device=*vmcpd
to the 386ENH section of the SYSTEM.INI file, and re-run setup.
STATUS
Microsoft is researching this problem and will post new information here in
the Microsoft Knowledge Base as it becomes available.
MORE INFORMATION
A virtual device driver (VxD) is a 32-bit, protected-mode, dynamic-link
library that manages a system resource, such as a hardware device or
installed software so that more than one application can use the resource
at the same time. Virtual devices work in conjunction with Windows to
process interrupts and carry out I/O operations for a given application
without disrupting how other applications run. A virtual device is required
for any hardware device that has settable operating modes or retains data
over any period of time. In other words, if the state of the hardware
device can be disrupted by switching between multiple applications, the
device must have a corresponding virtual device. The virtual device keeps
track of the state of the device for each application and ensures that the
device is in the correct state whenever an application continues.
| Modification Type: | Major | Last Reviewed: | 2/11/2000 |
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| Keywords: | kbsetup KB130712 |
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