Thank you.

>Try starting vfp.exe "As Administrator". Security might be blocking random calls to the internet -- for good reason.
>
>>Hello Dmitry
>>
>>>>Hello all,
>>>>
>>>>I will have a button on form. When the user clicks that button I want to launch where the user can make it's payment.
>>>>
>>>>My app is on WIndows Server 2016.
>>>>
>>>>So far someone gave me this code
>>>>
>>>>

>>>>lParameters tcURL, tcAction
>>>>tcUrl = IIF(type("tcUrl")="C",tcUrl,"https://square.link/u/HereCodeForThePersonWhowillBePaid")
>>>>tcAction = IIF(type("tcAction")="C",tcAction,"Open")
>>>>IF type("Application.StartMode") = "N" AND !inlist(Application.StartMode,2,3,5)
>>>>  *  UI only when not being called from a COM server
>>>>  WAIT WINDOW "Loading " + tcURL + " ..." NOWAIT
>>>>ENDIF
>>>>DECLARE INTEGER ShellExecute IN SHELL32.dll ;
>>>>     INTEGER nWinHandle, ;
>>>>     STRING cOperation, ;
>>>>     STRING cFileName, ;
>>>>     STRING cParameters, ;
>>>>     STRING cDirectory, ;
>>>>     INTEGER nShowWindow
>>>>DECLARE INTEGER FindWindow IN WIN32API ;
>>>>     STRING cNull, ;
>>>>     STRING cWinName
>>>>RETURN ShellExecute(FindWindow(0,_Screen.Caption),tcAction,tcUrl,"",SYS(2023),1)
>>>>

>>>>
>>>>First time I executed that code I received this : Declare DLL caused an exception
>>>>Second time I executed my VFP session froze.
>>>>
>>>>Suggestion?
>>>>
>>>>Regards
>>>
>>>Hi Denis,
>>>
>>>I have this code and it works:
>>>
>>>

>>>DECLARE INTEGER ShellExecute IN shell32.dll ; 
>>>  INTEGER hndWin, ; 
>>>  STRING cAction, ; 
>>>  STRING cFileName, ; 
>>>  STRING cParams, ;  
>>>  STRING cDir, ; 
>>>  INTEGER nShowWin
>>>
>>>cURL = ALLTRIM(TableName.WEB_URL)
>>>cAction = "open"
>>>ShellExecute(0,cAction,cURL,"","",1)
>>>

>>>
>>>HTH
>>
>>First try of your code : ShellExecute caused an exception
>>Second try : VFP session frozen.