I am trying to preview my project in my browser the preview button is creating localhost and the interface opens up but there is nothing in the browser. It just opens up like this. [image]

@Ben78 I think this might be the root cause, please take a look [image] Preview no longer working Axure RP 8 As far as specific ports I usually see 32767 on my end. For preview issues (especially ones that appear suddenly) usually either a change in proxy/security setting…