Please try the methods below to see if these help:
1.Make sure you've tried 32bit BIAS FX for Standalone, uninstall/reinstall BIAS FX to see if the issue persists.
2.Make sure that the driver for the audio interface is up to date. Please also try another driver like ASIO4ALL to see if it works.
http://www.asio4all.com/
3.Turn the Direct Monitor knob on your audio interface (if there is any) all the way to Playback.
