This might be a localized network or ISP issue that is impacting you reaching the TPC Servers. You must have unrestricted port 80 and 443 access in order to register.

If you have on-going trouble, please report the following:

1. The Token value you are trying to register.
2. The TPC Device ID (refer Settings > TPControl > TPC Device ID)
3. Your local time/date that you had trouble