>The compiler issues an "illegal operation error", then abnormally
>terminates, after showing the splash screen for the control.

>I am the author of the control, and it works fine on my development
machines
>(Win 98 and Win NT Workstation 4.0) in VC++ 5.0 and 6.0.  However, my
>potential client reports that it fails as above on a clean Win 98A machine
>(presumably with VC++ installed, of course), in VC++ 6.0.  It also fails
for
>him on Win 95B.  The client is able to successfully use the control on a
>Visual Basic 5.0 form.  Also, the client reports success using the control
>under NT 2000 (preview).

>I've done much searching through Deja.com on this issue, to no avail.  Here
>are some more details: the ActiveX control has a reference to an ActiveX
>DLL.  Both show a splash screen in their Sub Main.  Only the OCX's splash
>screen shows up, however, before the compiler crashes.

>The setup program for the control installs the required dependencies (it
was
>created with the latest version of InstallShield Express): the VB runtime,
>etc.  Also my potential client tried a different version of the OCX which
>has only the dependency on the VB runtime, with exactly the same results.

>Without a clean Win 98 machine it's difficult for me to diagnose this
>problem.  What could be missing from his machine that's present on both of
>my machines?  (i.e., Why is it working for me in VC++ 5.0 and 6.0 but not
>for him?)

>Any help would be greatly appreciated.

>Daniel Ansari