coppa and registration button trouble

[DarkAngel612]

Since June 18 nothing has changed at all but the registration button will not work in any theme selected  even default SMF theme nor in any browser.

plus I had to deactivate the COPPA (not too needed) because it would not refresh to a new image when requested.

SMF 1.1.14
TinyPortal rc2
various mods

could you tell me what to do to fix this please