I came across a few issues whilst using Sound Forge 14 & 15 with the Steinberg UR44C (USB 3.0 Audio Interface.
Now it records the audio absolutely fine, but having the real-time recording waveform in front of you whilst recording is impossible due to it really making Sound Forge lag like hell.
Also, when trying to navigate through a saved audio file (MP3 or WAV) it lags exactly the same as above but also doesn't play where you drop the cursor.
I first had the issue with 14 but just upgraded to 15 and it is the same problem.
I have tried running as an administrator. I have tried adjusting buffer sizes of the Steinberg/Yamaha drivers.
The problem "goes away" when selecting a different recording/playback device but this isn't the best workaround at all.
Any help or suggestions would be appreciated.
Wayne