When I attempt to connect to my Developer Edition from a module, instead of connecting as usual I'm just returned to the Trailhead homepage and when I return to the model I'm still not connected....any ideas?

When I attempt to connect to my Developer Edition from a module, instead of connecting as usual I'm just returned to the Trailhead homepage and when I return to the model I'm still not connected....any ideas?

When I attempt to connect to my Developer Edition from a module, instead of connecting as usual I'm just returned to the Trailhead homepage and when I return to the model I'm still not connected....any ideas?