Cwite
8:20 PM - 28 July, 2016
The only time I've had this, is if I have an application running that uses the laptops sound card, and then try to open Serato DJ.
That exact message and it just won't connect. I shut down Serato, shut down the offending app then restart Serato. Everything starts perfectly.
I've recently upgraded to Win10 too and had a few issues with system settings (like the auto update turning on and updating just before a gig! Watch out for that one lol) maybe something in your system start up has changed??