thanks, now it's working
i tried this before, but i was wrote url wrong (project_www.worldcommunitygrid.org or www.worldcommunitygrid.org)
i changed HCC1 to hcc1 (boinc shows error)
since it's exclude i need to exclude my primary gpu it's GTX 680 (device 0)
now everything works what i want
s@h...
my pc become very laggy while gpu wu running
i cant watch video (1fps)
can anyone advice me for app_config
<app_config>
<app>
<name>hcc1</name>
<max_concurrent>4</max_concurrent>
<gpu_versions>
<gpu_usage>0.5</gpu_usage>
<cpu_usage>1</cpu_usage>
</gpu_versions>
</app>
</app_config>...