1. I tried to add "New Post", it gave this:
Parse error: parse error in C:\wamp\www\Joomla_1.5.12-Stable-Full_Package\components\com_blog\views\addpost\tmpl\default.php on line 82
2. I tired my account layout, it gave this:
Notice: Undefined variable: tpl in C:\wamp\www\Joomla_1.5.12-Stable-Full_Package\components\com_blog\views\myposts\view.html.php on line 87
Notice: Trying to get property of non-object in C:\wamp\www\Joomla_1.5.12-Stable-Full_Package\components\com_blog\views\myposts\tmpl\myaccount.php on line 32
My Blog Title:
<br /> <b>Notice</b>: Trying to get property of non-object in <b>C:\wamp\www\Joomla_1.5.12-Stable-Full_Package\components\com_blog\views\myposts\tmpl\myaccount.php</b> on line <b>52</b><br />
Description:
<br /> <b>Notice</b>: Trying to get property of non-object in <b>C:\wamp\www\Joomla_1.5.12-Stable-Full_Package\components\com_blog\views\myposts\tmpl\myaccount.php</b> on line <b>56</b><br />
Do you want to publish?: BlogDetails->status)) ? $this->BlogDetails->status : 1); ?>

Can you try to help me to find out what's wrong here.