TNG runs on port 7080. Make sure that this port is reserved for TNG.
If not you can change the default webbrowser port in the TNG.ini file.
Stop the TNG service.
Edit the INI in 'C:\Program Files\Datatex\tng'
[WEBSERVER]
defaultport=7180
Save the TNG.ini
Start the TNG service.
Close the webbroswer.
Open the webbroswer.
Enter the URL for this example http://127.0.0.1:7180
If it brings you to the TNG login screen, add as favourite.
Remote the TNG shortcut and use the favourites to access it.
If the login page is not displayed, check your firewall settings
and allow port 7180.