@Catfish wrote: It sounds like the same thing happened to you as happened to me. Try the following: Go to TPG's reset password page: https://account.tpg.com.au/reset-password I think I entered the phone number in the first field on that page because the customer ID didn't work. Try one or the other. Reset the password. Go to the usual TPG login page. Enter your phone number and new password. TPG still needs to fix the 'Click here to manage your other services' button or remove it entirely. It seems that changes made to the account details of those 'other services' can break the legacy auto-log in. The user suddenly gets shut out from their mobile account employing a method that had always worked previously and wonders what's going on. They don't even realise that they've had a separate password for that account for the last 2 years. In my case, the broken linking was caused by my credit card expiring. Edit: Cross post. I think this might have worked. I had been using my username (previously associated with an old internet plan), and it wouldn't let me access the 'Click here to manage your other services' link, giving me the 'Something has gone wrong' error.   I tried entering my mobile for the username, and resetting the password. The SMS link took me to a novus website, where I then reset my password. Logging back in took me to the familiar myaccount page. ... View more