internetdial

InternetDial with INTERNET_AUTODIAL_FORCE_UNATTENDED still shows an error dialog?

I have a piece of software running on a remote device which calls InternetDial to establish a connection and report information. Most of the time this works fine, but occasionally, some sort of error will occurr (bad signal etc.) and despite calling the function with INTERNET_AUTODIAL_FORCE_UNATTENDED, windows still appears to pop up di...