How to disable automatically browser opening on Wi-Fi hotspot connection for Win10?

When I connect my laptop to a free/public Wi-Fi hotspot (FreeWifi, Orange...), Windows 10 opens automatically my default Web browser and goes if possible to the ISP captive portal. So each time I connect to the Wi-Fi SSID my browser is opened.

Quite good for a normal usage, but not for web browser testing!

How can I disable the action that opens the browser each time I connect to the Wi-Fi hotspot ?

Solution

One solution I found is to modify directly a Windows regitry :

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet\EnableActiveProbing

And to do it from a Batch script, I purpose this :

reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet" /v EnableActiveProbing /t REG_DWORD /d 0 /f

REG ADD : add/modify a registry;
Then specify the repository of the registry;
/v EnableActiveProbing : indicates the value to modify;
/t REG_DWORD : indicates type of value;
/d 0 : gives the data to add;
/f : to force changes.

(More help with REG ADD /h)

It works fine on Windows 10 with admin rights. Hope it will help some people.