SQL Server Install Failed so no BCM - HELP PLEASE

[Marc]

When I try to install BCM it faile with a message saying the SQL Server
Install Failed. Outlook 2007is installed but no other versions are on this
machine.

I really need help.
Thanks,
Marc
(e-mail address removed)

I have copied the event log below:

Microsoft SQL Server 2005 9.00.2047.00
==============================
OS Version : Microsoft Windows XP Professional Service Pack 2 (Build
2600)
Time : Wed Oct 11 14:35:18 2006

Machine : MARC-2C51EE48C6
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\SQLSetup0004_MARC-2C51EE48C6_SQLSupport_1.log
--------------------------------------------------------------------------------
Machine : MARC-2C51EE48C6
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\SQLSetup0004_MARC-2C51EE48C6_SQLNCLI_1.log
--------------------------------------------------------------------------------
Machine : MARC-2C51EE48C6
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\SQLSetup0004_MARC-2C51EE48C6_SqlWriter_1.log
--------------------------------------------------------------------------------
Machine : MARC-2C51EE48C6
Product : MSXML 6.0 Parser
Product Version : 6.00.3883.8
Install : Successful
Log File : c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_MSXML6_1.log
--------------------------------------------------------------------------------
Machine : MARC-2C51EE48C6
Product : SQL Server Database Services
Error : SQL Server Setup cannot write system databases to
c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\, because it
contains files from a previous installation. To continue, move the databases
from the specified folder, or specify a different installation folder. Then
run SQL Server Setup again
--------------------------------------------------------------------------------
Machine : MARC-2C51EE48C6
Product : SQL Server Database Services
Error : SQL Server Setup cannot write system databases to
c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\, because it
contains files from a previous installation. To continue, move the databases
from the specified folder, or specify a different installation folder. Then
run SQL Server Setup again
--------------------------------------------------------------------------------
Machine : MARC-2C51EE48C6
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\SQLSetup0004_MARC-2C51EE48C6_SQL.log
Last Action : DetectExistingData
Error String : SQL Server Setup cannot write system databases to
c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data\, because it
contains files from a previous installation. To continue, move the databases
from the specified folder, or specify a different installation folder. Then
run SQL Server Setup again.
Error Number : 28111
--------------------------------------------------------------------------------

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


Time : Wed Oct 11 14:36:29 2006


List of log files:
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_Core(Local).log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_SQLSupport_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_SQLNCLI_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_SqlWriter_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_MSXML6_1.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_SQL.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_Datastore.xml
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_.NET Framework 2.0.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_Support.log
c:\Program Files\Microsoft SQL Server\90\Setup
Bootstrap\LOG\Files\SQLSetup0004_MARC-2C51EE48C6_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\SQLSetup0004_MARC-2C51EE48C6_SCC.log