check the video card frequency settings and other cgminer options, all you work is hardware errors, youre mining nothing, and this is not a pools fault

(5s):700.2K (avg):756.0Kh/s | A:48  R:32  HW:17310  WU:2.7/m

you should have no HW at all, so tweak tweak tweak

http://imageshack.com/a/img849/3213/v1gc.gif