Starting Ninja Trader may produce pop error notifications warning like this:
No internet Connection! bestorderflow indicators require a connection
Insufficient or slow internet connection. NinjaTrader requires a fast internet connection speed.
===>
An insufficient or slow internet connection triggers this notification. NinjaTrader requires a fast internet connection to obtain and process data.
What to do:
1) Check your online internet connection speed with https://www.speedtest.net/ or similar services.
2) Restart your computer
3) Close all apps/ programs and updates for Windows, antivirus, or any other programs running in the background.
4) Check the cable connection to your fiber or wi-fi and test the connection speed again.
5) Start the NinjaTrader app with a fast internet connection as described here: https://bestorderflow.com/userguide/1-prepare-ninjatrader-platform/2-2-internet-connection-requirements-for-ninjatrader