Mouse cursor appears outside of viewport while in PIE if UE4 and UDK are both open

Mouse appears outside of viewport window when cursor is dragged off of editor window while UDK is open. This occurs even if UDk is minimized.

Note: Cursor will appear outside of editor window but all functionality remains in viewport.

1. Open UDK, minimize UDk.
2. Open UE4 Editor (any project)
3. Press PIE.
4. Drag mouse until cursor should be out of editor (drag to second screen if available).

UE-88880 - Public Discussion

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