I've just installed Quisk 4.0.3 on my laptop running Windows 7. I copied 'hermes/quisk_conf.py' to the default configuration file as described at this link. Then I edited the file and commented the Linux audio settings and uncommented the Widows audio settings. I also changed rx_udp_clock to 61440000 (not sure if it's needed). Then I started Quisk and it worked. Here is a screenshot:
It's described inHow is communication initiated?
http://svn.tapr.org/repos_sdr_hpsdr/tru ... _V1.33.pdf
Basically, Quisk discovers the board and starts communicating.
Could you check if sdr-transceiver-hpsdr is running on your Red Pitaya?
Best regards,
Pavel