Personally I would leave it on. If it's working DON'T touch it. It will probably stop soon anyway. And then you get to experience the 'call centre' Best of luck.
I've had the dreaded 'ppp server down' error on my livebox, now for 4 days. Everytime (every 24hrs) I phone customer support (joke) I get the same routine, unplug everything and start again. It's stil ...