So nobody has an answer or idea about these two errors?

"Cuda error in func 'x11_smid512_cpu_init' at line 462 : unspecified launch failure."
"Cuda error in func 'quark_blake512_cpu_setBlock_80' at line 308 : unspecified launch failure."

happens regardless of how low I set the intensity, using stock clocks on my MSI GeForce GTX 750 Ti OC TwinFrozr IV's (7 card rig running windows 8.1 with latest nvidia driver)