Nothing to do..
C:\Users\Xxxx\Desktop\Win64_all_Improved2>minerd -a quark -o http://192.168.1.16:8776/ -u user -p pass --no-stratum --no-longpoll
[2013-12-31 10:37:43] Binding thread 0 to cpu 0
[2013-12-31 10:37:43] 4 miner threads started, using 'quark' algorithm.
[2013-12-31 10:37:43] Binding thread 3 to cpu 3
[2013-12-31 10:37:43] Binding thread 1 to cpu 1
[2013-12-31 10:37:43] Binding thread 2 to cpu 2
[2013-12-31 10:37:43] HTTP request failed: The requested URL returned error: 403
Forbidden
[2013-12-31 10:37:43] json_rpc_call failed, retry after 30 seconds