The cause seemed to be the server down.
It waits for recovery of an early server.
Thank you for you and the reply.
refer:BitComet General Discussion.
topic:servers offline.
The notice also of mail addressed to support was coming.
message:Deferred: Name server: bitcomet.com.: host name lookup failure.
thank you for reply.
filter program not used.
i think network problem.
reason:ns1.****.com ns2.****.com(bitcomet used name server) mentenace date 16/10/2011.
change data can not update global name server. (delay or not push change data)
It is impossible to sign in by COMETID.
The problem of a name server or DNS server.
Reply: CometID cannot be signed in now.
but WEB pages and forums sign in OK.
Setup: It is automatic connection at the time of a start.
Use: BitComet 1.29