Visual studio instalation problem

I try to install visual studio 2005 in my vista laptop but, show some error during instalation,,,

this is my error afterinstalation
[01/08/09,08:15:43] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ERROR:Error 1935.An error occurred during the installation of assembly 'Microsoft.VC80.DebugCRT,type=''win32'',version=''8.0.50727.42'',publicKeyToken=''1fc8b3b9a1e18e3b'',processorArchitecture=''x86'''. Please refer to Help and Support for more information. HRESULT: 0x80070422.
[01/08/09,08:15:43] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ACTION FAILURE:Action ended 08:15:43: InstallFinalize. Return value 3.See MSI log for details.
[01/08/09,08:17:10] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ACTION FAILURE:Action ended 08:17:10: INSTALL. Return value 3.See MSI log for details.
[01/08/09,08:17:44] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InstallManagerHelper() with HRESULT -2147023293.
[01/08/09,08:17:44] setup.exe: [2] Component error string not specified in ISetupManager::AddToActionResultCollection()
[01/08/09,08:17:45] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU is not installed.
[01/08/09,08:17:45] VS70pgui: [2] Unknown component status forMicrosoft SQL Server 2005 Express Edition x86
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[01/08/09,08:15:43] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ERROR:Error 1935.An error occurred during the installation of assembly 'Microsoft.VC80.DebugCRT,type=''win32'',version=''8.0.50727.42'',publicKeyToken=''1fc8b3b9a1e18e3b'',processorArchitecture=''x86'''. Please refer to Help and Support for more information. HRESULT: 0x80070422.
[01/08/09,08:15:43] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ACTION FAILURE:Action ended 08:15:43: InstallFinalize. Return value 3.See MSI log for details.
[01/08/09,08:17:10] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ACTION FAILURE:Action ended 08:17:10: INSTALL. Return value 3.See MSI log for details.
[01/08/09,08:17:44] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InstallManagerHelper() with HRESULT -2147023293.
[01/08/09,08:17:44] setup.exe: [2] Component error string not specified in ISetupManager::AddToActionResultCollection()
[01/08/09,08:17:45] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU is not installed.
[01/08/09,08:17:45] VS70pgui: [2] Unknown component status forMicrosoft SQL Server 2005 Express Edition x86
[01/08/09,08:18:42] VS Scenario: [2] *** Blocking Components exist and must be satisified before continuing to install ***
[01/08/09,08:18:42] VS Scenario: [2] Windows XP Service Pack 2 Update Information
[01/08/09,08:18:42] VS Scenario: [2] *** End of Blocking Component List ***
[01/08/09,08:18:54] VS Scenario: [2] Failed to pass the Warnings/Blocks checks in CVSScenario::Start()
[01/08/09,08:28:49] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ERROR:Error 1935.An error occurred during the installation of assembly 'Microsoft.VC80.DebugCRT,type=''win32'',version=''8.0.50727.42'',publicKeyToken=''1fc8b3b9a1e18e3b'',processorArchitecture=''x86'''. Please refer to Help and Support for more information. HRESULT: 0x80070422.
[01/08/09,08:28:49] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ACTION FAILURE:Action ended 08:28:49: InstallFinalize. Return value 3.See MSI log for details.
[01/08/09,08:30:23] Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU: [2] ACTION FAILURE:Action ended 08:30:22: INSTALL. Return value 3.See MSI log for details.
[01/08/09,08:30:59] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InstallManagerHelper() with HRESULT -2147023293.
[01/08/09,08:30:59] setup.exe: [2] Component error string not specified in ISetupManager::AddToActionResultCollection()
[01/08/09,08:31:00] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2005 Tools for the Microsoft Office System - ENU is not installed.
[01/08/09,08:31:00] VS70pgui: [2] Unknown component status forMicrosoft SQL Server 2005 Express Edition x86


pls help me