i did it and after double click .bat i get the blinking cursor then a second line appears saying paused then next line says press any key to continue....
im using: The NVIDIA GeForce GTX 960M is your performance-class graphics card with 4GB GDDR5 discrete memory. got this off the product description.
I don't think the problem is the CWI miner then. You have confirmed that this card can successfully mine other coins and other algorithms in general, right? Sorry I can't be of more help.