Hi Jay,
If you open the page in the Modeler, you can also open the layout (topbar: in blue and underlined). When you open Properties you can see the layouy type. The type needs to be either popup (non-blocking) or modal pop-up (blocking). Yours is probably set on 'Responsive'. You have two options:
Sebastiaan's answer is for Mendix 5 and lower.
Cheers!
Hi Jay,
Go to the show page action in your microflow. There you have radio buttons with the following options:
In content, Pop-up, Blocking Pop-up
Choose either Pop-up or Blocking Pop-up
cheers!