HELP. No web access to Musicbox when Rasp pi using WiFi

My musicbox 0.6 on raspberry pi was working fine with pi-dac+, with both ethernet which works fine and wifi which i predominantly used. Since a browser shutdown…Nothing!!!
Ethernet cable connection and static ip musicbox works fine through browser. Wifi wont work at all no matter what i try. Ive tried different images from 0.5.1 through 0.6.
Wlan usb dongle is recognised, drivers are loaded, ssid and pass in settings.ini set ok…but dead as a dodo…browser wont connect. Have pinged Pi IP address from PC command…data is sent and received ok…anyone please help its driving me mad.