You get a DOS Virtual Device Driver failure after you install a program which
generates one of the following error messages. If you ignore the message, the
program may or may not run. The problem is caused by the program corrupting the
16 bit MS-DOS Subsystem
XXXX. An installable Virtual Device Driver failed DLL initialization.
Choose ‘Close’ to terminate the application.
16 bit MS-DOS
SYSTEM\CurrentControlSet\Control\VirtualDeviceDrivers. VDD. Virtual Device
Driver format in the registry is invalid. Choose ‘Close’ to terminate the
You can resolve the problem by deleting the value, followed by readding the
Delete the value. When you re-add VDD, when the multi-string editor appears
with a blank entry. Leave the entry blank and click OK This should resolve the
problem. The problem shows up on Windows 2000 and Windows XP systems. It can
occur in Windows NT if someone (or some program) deletes the VDD value.