Windows 10 here.
I can also repro this on my Windows 10 machine:
Dell G3
i5 9300
32gb ram
FL Studio 20.7
256 buffer size there too.
Windows 10 here.
I can also repro this on my Windows 10 machine:
Dell G3
i5 9300
32gb ram
FL Studio 20.7
256 buffer size there too.