Immediate crash after install

With a fresh install of quicken, on launch, the software never loads, only generates 2 error logs:
Application: qw.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.Security.SecurityException

Exception Info: System.IO.FileLoadException

And,

Faulting application name: qw.exe, version: 27.1.47.15, time stamp: 0x63e3db84
Faulting module name: KERNELBASE.dll, version: 10.0.19041.2604, time stamp: 0xce23fdc3
Exception code: 0xe0434352
Fault offset: 0x0012e4b2
Faulting process id: 0x4648
Faulting application start time: 0x01d9456d9a1fa581
Faulting application path: C:\Program Files (x86)\Quicken\qw.exe
Faulting module path: C:\WINDOWS\System32\KERNELBASE.dll
Report Id: b104b60e-715b-4f29-b09a-5f8b7c23e76a
Faulting package full name:
Faulting package-relative application ID:

I have rebooted, reinstalled, run sfc /scannow, run DISM... Quicken is the only program affected.