Integration Suite for Microsoft System Center - Failed to import driver

Hi,

I'm having some trouble when using the integration suite for my SCCM server. When I go to import a driver via the suite it constantly comes up with the following:

I'm using the latest version of the Integration Suite (6.4.1) - Running on Windows Server 2016 fully patched. I'm running the SCCM console as administrator. 

When I manually check the directory of where the drivers are being downloaded to I can see them there. So I'm confused as to what's happening.