Help my Harmony One says it's de-activated
Bought a used Harmony One actually looks like brand new. When I try to add this remote is says it's de-activated. Did online chat, they said they would activate it for me, they tried twice and it's still not activated and haven't heard back. Called tech support, they said this was replaced with new one remote and they can't activate it. Any help would be appreciated? Tried my harmony.com won't update and also tried members.harmonyremote.com. I change or add devices etc, but when I try to update, it won't let me. Says this remote is de-activated.
UN60HU8550 HS01 SEK-3500 Denon X4000