New Post: installation error

This is first time when I am Installing BugNET
I am using SQL Sever 2008 Exp., IIS 7 with ASP.Net 4.0 in Integrated Pipeline mode.

Version: 1.5.265.0

Installation Status Report

00:00:00.2480141 - Installing Version: 1.5.265.0
00:00:00.3400194 - Installing BugNET Database:
00:00:00.3780216 - Executing Script: BugNET.Schema.SqlDataProvider.sql Error!
Error Details

File BugNET.Schema.SqlDataProvider.sql
Error Failed to generate a user instance of SQL Server due to failure in retrieving the user's local application data path. Please make sure the user has a local user profile on the computer. The connection will be closed.