Qt Quick Form Editor cannot display window

HI,

I'm a relative newbie to Qt. I've installed the default Qt 6.1 Open Source option on a Windows 11 machine, while I'm learning it.

I'm trying the tutorial, "Creating a Qt Quick Application" (Qt Quick Application - Empty), for MinGW 64-bit. I use the default options in the setup (but there is no step #8 where it asks for screen resolution).

main.qml is:
import QtQuick 2.15
import QtQuick.Window 2.15

Window

When I go into Design view and select Form Editor, I get the error:
"Cannot open this QML document because of an error in the QML file:
Line: 1: Qt Quick emulation layer crashed."

Can someone please point me to a solution for this? Thank you!

DevAbo