I using: oInDesign.setUserInteractionLevel(idUserInteractionLevels.idNeverInteract) , But it still show this dialog.
Version CS: it is ok,
But Version CC, sometime it still show when i get fontname.
I hope you are using VB script.. so please use the answers from the below thread..
I had set : UserInteractionLevel=idNeverInteract and open file will not display dialog box.
But it will show ,If i get Font from data. This problem only occur with Versions CC(2013,2014,2015,2017)
Version CS : it is ok.