hi there,
so after recording some guitar and then adding tunes with a VST plugin, when playing back the audio it sometimes goes crackly all of a sudden so stop playback and its fine and then maybe a few minuets later the same thing will happen when i start playing back the song and it just goes crackly and slow. any ideas what settings i haven't set correctly in the preferences 

Increase the Mixing Latency buffer size in Preferences > Audio > Driver Settings or ASIO client software (if running ASIO driver mode).

cheers scook thankyou