One or more leaderboards are showing the wifi symbol?
When you see the wifi symbol this means that the leaderboard webpage hasn't successfully loaded.
If you are able you can try rebooting the machine, this will take a few minutes to power up after a hard power-off cycle.
Other solutions might include making sure the PC has a good connection to the internet.
Mon-Fri From 10am to 6pm
Avaliable 24 / 7