I ran into a problem after the huge Windows 10 update, my 2x GTX980 TIs were not recognized by DAZ Studio. Windows 10 update rolled back my OpenCl drivers so I had to reinstall the OpenCL driversfor my cards and CPU.
If you don't reinstall the drivers dForce complains that it can't see any OpenCL compliant cards attached when in fact I did. Anyway, problem is solved after reloading v1.2 OpenCL drivers...
As for the DAZ Studio not loading up someone mentioned to me that they reloaded their Nvidia drivers and it worked for them later.