[I get this error An error has occurred. Further information is available in the server log]

I am trying to get back after few years and i have my acount and everything went nice,but then i didnt set yes in this one part of prog.and i cxant log in.I have new e-mail and old is gone where i use to get my answers after this kind of..Please some one help... T:SamiQ Finistair (curent e-mail= sami.saarelailnen@hotmail.fi)what to do..