Same here. I've opened tickets with Presonus and Celemony, but not getting much traction.
Faulting application name: Studio One.exe, version: 6.0.0.0, time stamp: 0x6332cd5a
Faulting module name: MelodyneCore-5.3.0.011.dll, version: 5.3.0.11, time stamp: 0x631fa4bd
Exception code: 0xc0000005
Fault offset: 0x00000000017222ea
Faulting process id: 0x0x191C
Faulting application start time: 0x0x1D8DE926192EC0B
Faulting application path: C:\Program Files\PreSonus\Studio One 6\Studio One.exe
Faulting module path: C:\Program Files\Common Files\Celemony\Bundles\MelodyneCore-5.3.0.011.dll
Report Id: 886ec696-bc65-4080-9481-e7781e87f8fa
Faulting package full name:
Faulting package-relative application ID: