In this post, you’ll learn more about the Error SPAPI_E_DEVICE_INSTALLER_NOT_READY – 0x800F0246 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
SPAPI_E_DEVICE_INSTALLER_NOT_READY – 0x800F0246
Win32 COM Error Error Description
One of the installers for this device cannot perform the installation at this time.