error installing business contact manager

[Guest]

when installing business contact manager for outlook 2007 the following error
appears

Setup failed to install the required component MSSQL server 2005 express (
MSSMLBIZ ). BCM for Outlook 2007 cannot continue."

below is the setup log

Microsoft SQL Server 2005 9.00.2047.00
==============================
OS Version : Microsoft Windows XP Home Edition Service Pack 2 (Build
2600)
Time : Mon Jun 11 16:41:40 2007

Machine : EDISON
Product : Microsoft SQL Server Setup Support Files (English)
Product Version : 9.00.2047.00
Install : Successful
Log File : c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SQLSupport_1.log
--------------------------------------------------------------------------------
Machine : EDISON
Product : Microsoft SQL Server Native Client
Product Version : 9.00.2047.00
Install : Successful
Log File : c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SQLNCLI_1.log
--------------------------------------------------------------------------------
Machine : EDISON
Product : Microsoft SQL Server VSS Writer
Product Version : 9.00.2047.00
Install : Successful
Log File : c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SqlWriter_1.log
--------------------------------------------------------------------------------
Machine : EDISON
Product : MSXML 6.0 Parser
Product Version : 6.10.1129.0
Install : Successful
Log File : c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_MSXML6_1.log
--------------------------------------------------------------------------------
Machine : EDISON
Product : SQL Server Database Services
Error : Service 'SQL Server Browser' (SQLBrowser) could not be
installed. Verify that you have sufficient privileges to install system
services.
--------------------------------------------------------------------------------
Machine : EDISON
Product : SQL Server Database Services
Error : Service 'SQL Server Active Directory Helper'
(MSSQLServerADHelper) could not be installed. Verify that you have
sufficient privileges to install system services.
--------------------------------------------------------------------------------
Machine : EDISON
Product : SQL Server Database Services
Error : Service 'SQL Server (MSSMLBIZ)' (MSSQL$MSSMLBIZ) could not
be installed. Verify that you have sufficient privileges to install system
services.
--------------------------------------------------------------------------------
Machine : EDISON
Product : SQL Server Database Services
Error : The SQL Server service failed to start. For more
information, see the SQL Server Books Online topics, "How to: View SQL Server
2005 Setup Log Files" and "Starting SQL Server Manually."
--------------------------------------------------------------------------------
Machine : EDISON
Product : SQL Server Database Services
Error : The SQL Server service failed to start. For more
information, see the SQL Server Books Online topics, "How to: View SQL Server
2005 Setup Log Files" and "Starting SQL Server Manually."
--------------------------------------------------------------------------------
Machine : EDISON
Product : Microsoft SQL Server 2005 Express Edition
Product Version : 9.1.2047.00
Install : Failed
Log File : c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SQL.log
Last Action : InstallFinalize
Error String : Service 'SQL Server Browser' (SQLBrowser) could not be
installed. Verify that you have sufficient privileges to install system
services.
Error Number : 1923
--------------------------------------------------------------------------------

SQL Server Setup failed. For more information, review the Setup log file in
%ProgramFiles%\Microsoft SQL Server\90\Setup Bootstrap\LOG\Summary.txt.


Time : Mon Jun 11 16:43:29 2007


List of log files:
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_Core(Local).log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SQLSupport_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SQLNCLI_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SqlWriter_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_MSXML6_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SQL.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_Datastore.xml
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_.NET Framework 2.0.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_Support.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_Core.log
c:\Program Files\Microsoft SQL Server\90\Setup Bootstrap\LOG\Summary.txt
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0005_EDISON_SCC.log
c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\LOG\ERRORLOG


==================================================================

i tried to install SQL Server 2005 Express Edition SP2 from-(

http://msdn.microsoft.com/vstudio/express/sql/download/

during the installation this happens-
Error 1923. Service 'SQL Server VSS Writer' (SQLWriter) could not be
installed. Verify that you have sufficient privileges to install system
services.

i do not have any logons on this comp
it loads up automatically
win xp hme sp2

any help will be much appreciated.Thank You