desgnr wrote:

How do i remove a post i posted twice by mistake ?

If you are talking about posting to newsgroup (using NNTP) you may use
"cancel message" in your newsreader (Outlook Express), but be aware that
not all news servers respect that command so message may be still
available on some NNTP servers.

--
Regards
Arkadiusz 'Black Fox' Artyszuk