latency suddenly went from 5 to 7.5

[Dimitri Muskens]

I'm not sure what you mean by "96k in FC & 48k in jamkazam". JK changes the FR sample rate to 48.
Why did you suggest that I should NOT re-install JK?

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You set your hadware - the 2i2 - to 96k in the FC (Focusrite Control) software.
JKZ should normally default to 48k which is fine.

Reinstalling a program/app does not very often resolve technical issues that are related to external devices. (unless the software is the actual device driver or hardware control program)

Thanks. JK changes the Focusrite hardware sample rate to 48k, so if I go back to Focusrite Control, it's back to 48.

And nothing I've done gets the latency back down to 5.

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So, you're saying that when you set the FR hardware clock to 96k in FC. Then go into gear setup in JKZ and set in- & output device to FR-asio/2i2 (whatever it's named), than use the little drop-down underneath to set JKZ to 96k and finish the setup, these settings won't 'stick'?