Re: not enough GPU memory to place DAG, you cannot mine this coin with this GPU

Try Perfectmine.io. It has its own Linux based OS.
And your rig with 7950 cards can still mine ETH and ETC.
Follow the tutorial link on how to start.
https://perfectmine.io/faq/step-by-step-tutorial

Or simpleminer, which is awesome. You'll wonder why you bothered with Windows at all!