>>>Hello all,
>>>
>>>I'm having this problem on Windows server 2016.
>>>
>>>I open a url page with code (shellexecute) and I can see that the execution succeeds but the content of the page is blank.
>>>
>>>How do I fix this?
>>>
>>>Regards.
>>
>>Can you share the URL or the HTML?
>
>Not really because there is personal information in the url.
>
>I tried to access the url manually and got the same white page.
>
>Perhaps some kind of security related to users or having to put the url in a whitelist of authorized url.
>
>Or something else that I don't know about the wonderful world of servers ;-)

Press right-click and select view source, it should give you some clue.