postgresql 8.3 on ubuntu 8.10 uppgrade,remove,or reinstall problem

Hello

 i am not understanding regarding this bug what s problem with that its not allowed to start the postgresql successfully what is a problem that coud not easily find out

i reinstall and install the packages again and again but could not the solution

here is the same links i check and also follow but could not find out the solution?

•   https://bugs.launchpad.net/ubuntu/+source/postgresql-8.3/+bug/437855
•   http://ubuntuforums.org/archive/index.php/t-1065465.html
• http://www.archivum.info/ubuntu-bugs@lists.ubuntu.com/2009-08/21226/(Bug-419245)-(NEW)-package-postgresql-8.3-8.3.7-1-failed-to-install-upgrade:-sub-processo-novo-script-pre-removal-retornou-esta.html

i am also going to send to u a whole console output with each command i follow but not getting it anysolution everytime i get a same a error

if anybody know regarding this problem provide me the solution?
thanks

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Pritesh  Modi
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