oclHashcat gui issue

OK, so I downloaded and extracted oclHashcat v0.15 to oclHashcat-gui-0.5.1 and renamed both the old and new files. I have Radeon 4870 cards and Catalyst 13.9. I load up the .hccap file and rockyou.txt, select Straight and WPA/WPA2 and click Start. And this is what I get:


  oclHashcat.PNG (Size: 393.2 KB / Downloads: 9)