Sounds like you're trying to install an old 16-bit program.
[[Windows NT Virtual MS-DOS Machines
In Windows NT, each MS-DOS-based application and 16-bit Windows-based
applications run in a Windows NT virtual MS-DOS machine (NTVDM), a
single-threaded process that supports 16-bit applications in a 32-bit
environment. Windows NT includes the necessary virtual device drivers
(VDDs)
for the mouse, keyboard, printer, COM ports, and network support. The
VDDs are loaded into every VDM based on values stored in the Registry.
Information about VDDs is found in the following Registry path:
HKEY_LOCAL_MACHINE
\System\CurrentControlSet\Control\VirtualDeviceDrivers
The system manages any changes to the VDD entries automatically when you
add
a device driver by using Windows NT Setup. ]]
from...
Initialization Files and the Registry
http://www.microsoft.com/resources/documentation/windowsnt/4/workstation/reskit/en-us/26_ini.mspx
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Hope this helps. Let us know.
Wes
MS-MVP Windows Shell/User
In Allen <
[email protected]> hunted and pecked:
Installing a program I got:
System\CurrentControlSet\Control\VirtualDeviceDrivers. VDD.
Virtual Device Driver format in registry is invalid
Chose 'Close' to terminate the application
I chose the "Ignore" button and the app appears to install and run OK?
Anyone have any idea what is wrong and how to avoid the eror message?
Thanks