On Wed, Jul 9, 2008 at 7:45 PM, my mail <amfpg@yahoo.com> wrote:
quoted text
> thanks for your reply, but i have download OpenBSD 4.3 from this address ftp://ftp.jaist.ac.jp/pub/OpenBSD/4.3/
>
> and all packages i download from this ftp://ftp.jaist.ac.jp/pub/OpenBSD/4.3/packages/

You should study Section 15.4.1 of the FAQ:

http://openbsd.org/faq/faq15.html#NoFun

However if you still have questions, please provide the output of the
following command:

$ sysctl kern.version

As others, I too suspect you have installed -current & are trying to
install -release packages.