Win32 COM Error – FWP_E_CALLOUT_NOTIFICATION_FAILED – 0x80320037

In this post, you’ll learn more about the Error FWP_E_CALLOUT_NOTIFICATION_FAILED – 0x80320037 that is returned when working with the COM-based APIs in Win32

Win32 COM Error

FWP_E_CALLOUT_NOTIFICATION_FAILED – 0x80320037

Win32 COM Error Error Description

The notification function for a callout returned an error.