Display messages are showing up differently between Lectora and LMS

Can you click on the exclamation or right click and see what the message is? Maybe it is a pop-up blocker? When you view from Lectora (preview in browser) does it function as expected?

Are these your own created pop-up messages, or using Lectora's 'Display Message' action?

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I forgot to metion I dont know why on the incorrect display message image there is a caution triangle symbol along with no header. disregard the blackout boxes, that is just to hide content.

Yes, when I view in Lectora’s preview browser it works just fine. I am using Lectora’s display message action, not my own.

Might be better to use your own instead of using a display message action. Just have a text box (or similar) initially hidden that shows when you click the requisite button. Then have an action on that text box to hide when clicked.

The exclamation point in a yellow triangle indicates a "Warning" dialog as displayed by Microsoft Windows. Presumably that's what Lectora's JavaScript is triggering.

You could use the JS "alert" method, or just create custom windows as Adam suggests.