Auto Closes in Win 10

I’ve installed the latest version of WFV under Windows 10. My rig IC-756Pro. Cl-V 5C. The programme closes after approx. 2 seconds. I’ve tried reinstalling it several times and rolled back the version to no avail. The frequency of my rig is displayed, as is the model bottom right. Any ideas most appreciated.


Did you install the right version? Eg 64 bit?

I double checked I did