[Southsidemusic]

Ok, goto Settings in PT, then i/o and there press DEFAULT on ALL tabs. In out aux and on both input and output pages and see if that does it for you.

I know you said you done that but try again now after reinstall of drivers.

This is my last idea as those interfaces can actually break and it is very hard to diagnose this from sweden hehe

But try this and report back. You never said if you see the mbox when the popup window appears