Dear All,
I have just added a GTX 680 Mac to a Mac Pro 5,1 running OSX 10.9.1 and Boinc 7.2.33. I have left the existing GT 120 in place.

Seti and Einstein are running uneventfully, but Milkyway keeps aborting. Like this:

Thu 6 Feb 14:36:49 2014 | | App version needs OpenCL but GPU doesn't support it
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | Scheduler request completed: got 12 new tasks
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] App version uses non-existent NVIDIA GPU
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_17_3s_128wrap_1_1390392603_2956401_2; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task ps_modfit_16_3s_bpl_128wrap_1_1390392603_2958472_1; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_86_3s_128_wrap_1_1390392603_3151687_2; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task ps_modfit_16_3s_bpl_128wrap_1_1390392603_3188067_2; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_86_3s_128_wrap_2_1390392603_3216051_1; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task ps_modfit_16_3s_bpl_128wrap_1_1390392603_3169026_2; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_86_3s_128_wrap_2_1390392603_3216052_1; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task ps_modfit_17_3s_128wrap_1_1390392603_3184268_2; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_86_3s_128_wrap_1_1390392603_3216037_1; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_86_3s_bplmodfit_128_wrap_2_1390392603_1973183_2; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_16_3s_bpl_128wrap_1_1390392603_3113458_3; aborting
Thu 6 Feb 14:36:49 2014 | Milkyway@Home | [error] Missing coprocessor for task de_modfit_86_3s_bplmodfit_128_wrap_2_1390392603_3120281_2; aborting

What am I doing wrong? Any suggestions for fixing?

Best wishes,

R