>Hi,
> I am testing a new version roll out, we are using InstallShield express 5.0 for Foxpro, we install the exe with no problems, but when the workstation is rebooted it continually reboots showing C000021a errors.
>As far as I know it is not installing or updating anything that would cause the problem, i.e. winlogon or a different gina dll.
>
>Has anyone seen similar problems?

If you search on Google for C000021a you get many hits, have you checked the tips you can see there?