Sql Express Installation Error

Hi,

I have tried to install sql express several times and each time it fails to start the sql service during the install process. I am copying part of the three log files below.

File Name :C:Program FilesMicrosoft SQL Server90Setup BootstrapLOGFilesSQLSetup0008_REHMANK-PC_Core.log

Running: ActivateLoggingAction at: 2006/11/11 13:33:57
Complete: ActivateLoggingAction at: 2006/11/11 13:33:57, returned true
Running: DetectPatchedBootstrapAction at: 2006/11/11 13:33:57
Complete: DetectPatchedBootstrapAction at: 2006/11/11 13:33:57, returned true
Action "LaunchPatchedBootstrapAction" will be skipped due to the following restrictions:
Condition "EventCondition: __STP_LaunchPatchedBootstrap__2836" returned false.
Running: PerformSCCAction2 at: 2006/11/11 13:33:57
Loaded DLL:C:WINDOWSsystem32msi.dll Version:3.1.4000.2435
Loaded DLL:C:WINDOWSsystem32msi.dll Version:3.1.4000.2435
Complete: PerformSCCAction2 at: 2006/11/11 13:33:57, returned true
Running: PerformDotNetCheck at: 2006/11/11 13:33:57
Complete: PerformDotNetCheck at: 2006/11/11 13:33:58, returned true
Running: ComponentUpdateAction at: 2006/11/11 13:33:58
Complete: ComponentUpdateAction at: 2006/11/11 13:46:49, returned true
Running: DetectLocalBootstrapAction at: 2006/11/11 13:46:49
Complete: DetectLocalBootstrapAction at: 2006/11/11 13:46:49, returned true
Running: LaunchLocalBootstrapAction at: 2006/11/11 13:46:49
Error: Action "LaunchLocalBootstrapAction" threw an exception during execution.  Error information reported during run:
"c:Program FilesMicrosoft SQL Server90Setup Bootstrapsetup.exe" finished and returned: 1067
Aborting queue processing as nested installer has completed
Message pump returning: 1067


File Name :C:Program FilesMicrosoft SQL Server90Setup BootstrapLOGFilesSQLSetup0008_REHMANK-PC_SQL.log

Property(S): SOURCEDIR = c:2047371f3917d7caabSetup
Property(S): SourcedirProduct = {2AFFFDD7-ED85-4A90-8C52-5DA9EBDC9B8F}
Property(S): InstallNgenTicks = 100000
Property(S): SQLBROWSERSCMACCOUNT = NT AUTHORITYNetworkService
Property(S): SQLSCMACCOUNT = NT AUTHORITYNetworkService
Property(S): DebugClsid.CC1A8C58_27D1_4D38_BF1B_C0A5CBB90616 = {AE0605D0-EBAD-411B-B292-2975E83A76D2}
Property(S): ProductToBeRegistered = 1
MSI (s) (F0:04) [13:53:09:168]: Note: 1: 1708
MSI (s) (F0:04) [13:53:09:168]: Product: Microsoft SQL Server 2005 Express Edition -- Installation failed.

MSI (s) (F0:04) [13:53:09:184]: Cleaning up uninstalled install packages, if any exist
MSI (s) (F0:04) [13:53:09:184]: MainEngineThread is returning 1603


FileName :C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLLOGERRORLOG

2006-12-11 13:52:02.59 Server      Command Line Startup Parameters:
2006-12-11 13:52:02.59 Server        -m SqlSetup
2006-12-11 13:52:02.59 Server        SqlSetup
2006-12-11 13:52:02.59 Server        -Q
2006-12-11 13:52:02.59 Server        -q SQL_Latin1_General_CP1_CI_AS
2006-12-11 13:52:02.59 Server        -T 4022
2006-12-11 13:52:02.59 Server        -T 3659
2006-12-11 13:52:02.59 Server        -T 3610
2006-12-11 13:52:02.59 Server        -T 4010
2006-12-11 13:52:02.89 Server      SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required.
2006-12-11 13:52:02.89 Server      Detected 1 CPUs. This is an informational message; no user action is required.
2006-12-11 13:52:03.86 Server      Using dynamic lock allocation.  Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node.  This is an informational message only.  No user action is required.
2006-12-11 13:52:05.11 Server      Database Mirroring Transport is disabled in the endpoint configuration.
2006-12-11 13:52:05.26 spid5s      Warning ******************
2006-12-11 13:52:05.28 spid5s      SQL Server started in single-user mode. This an informational message only. No user action is required.
2006-12-11 13:52:05.54 spid5s      Starting up database 'master'.
2006-12-11 13:52:06.03 spid5s      Recovery is writing a checkpoint in database 'master' (1). This is an informational message only. No user action is required.
2006-12-11 13:52:06.76 spid5s      SQL Trace ID 1 was started by login "sa".
2006-12-11 13:52:06.90 spid5s      Starting up database 'mssqlsystemresource'.
2006-12-11 13:52:06.97 spid5s      The resource database build version is 9.00.3027. This is an informational message only. No user action is required.
2006-12-11 13:52:14.15 spid5s      Error: 15209, Severity: 16, State: 1.
2006-12-11 13:52:14.15 spid5s      An error occurred during encryption.
2006-12-11 13:52:14.26 spid5s      SQL Trace was stopped due to server shutdown. Trace ID = '1'. This is an informational message only; no user action is required.


I searched the forum but could not find any solution. Can anyone help, please.

TIA.

Khalique