Biotek 2: sample window won't close, obscures other oscillators [Solved]

[Ou_Tis]

After selecting my own sample for the granular oscillator at the top, the window to select a sample won't close, and prevents me from seeing/interacting with the other oscillators. Is there a workaround for this, or is it a bug? Using Waveform 9, Windows 10. Screenshot:

[Edit: okay, I figured it out just after posting, but I'll leave this up in case anyone else has this issue. You have to click on "Browse" to close the window; it's open when the "Browse" button is lit up.]