现在用的系统是win sp2，之前已经安装了VS2005.

以下是错误说明：

[04/10/09,09:40:39] Microsoft .NET Framework 3.5: [2] Setup Failed on component Microsoft .NET Framework 3.5
[04/10/09,09:40:42] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 3.5 is not installed.
[04/10/09,09:40:42] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 3.5 语言包 - 简体中文 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Document Explorer 2008 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Document Explorer 2008 语言包 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Web 创作组件 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft .NET Compact Framework 2.0 SP2 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft .NET Compact Framework 3.5 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Tools for the Microsoft Office system (3.0 版运行库) was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2005 Tools for the 2007 Microsoft Office System Runtime was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2005 Tools for the 2007 Microsoft Office System Runtime 语言包 was not attempted to be installed.
[04/10/09,09:40:43] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Tools for the Microsoft Office system (3.0 版运行库)语言包 - CHS was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Microsoft SQL Server Compact 3.5 was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Microsoft SQL Server Compact 3.5 设计工具 was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Microsoft SQL Server Compact 3.5 For Devices was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Windows Mobile 5.0 SDK R2 for Pocket PC was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Windows Mobile 5.0 SDK R2 for Smartphone was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Microsoft Device Emulator 3.0 版 was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Crystal Reports Basic for Visual Studio 2008 was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Crystal Reports Basic for Visual Studio 2008 语言包 was not attempted to be installed.
[04/10/09,09:40:44] VS70pgui: [2] DepCheck indicates Microsoft Windows SDK for Visual Studio 2008 Tools (x86) was not attempted to be installed.
[04/10/09,09:40:45] VS70pgui: [2] DepCheck indicates Microsoft Windows SDK for Visual Studio 2008 标头和库(x86) was not attempted to be installed.
[04/10/09,09:40:45] VS70pgui: [2] DepCheck indicates Microsoft Windows SDK for Visual Studio 2008 Win32 Tools (x86) was not attempted to be installed.
[04/10/09,09:40:45] VS70pgui: [2] DepCheck indicates Microsoft Windows SDK for Visual Studio 2008 .NET Framework Tools (x86) was not attempted to be installed.
[04/10/09,09:40:45] VS70pgui: [2] DepCheck indicates Microsoft Windows SDK for Visual Studio 2008 SDK 引用程序集和 IntelliSense (x86) was not attempted to be installed.
[04/10/09,09:40:45] VS70pgui: [2] DepCheck indicates Microsoft SQL 发布向导 was not attempted to be installed.

以下是查看安装日志：

[04/10/09,09:03:44] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[04/10/09,09:03:51] Microsoft .NET Framework 3.5 'package': [2] Error unpackaging h:\wcu\dotnetframework\dotnetfx35\x86\netfx35_x86.exe: Corrupt cabinet
[04/10/09,09:03:51] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[04/10/09,09:15:10] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[04/10/09,09:15:18] Microsoft .NET Framework 3.5 'package': [2] Error unpackaging h:\wcu\dotnetframework\dotnetfx35\x86\netfx35_x86.exe: Corrupt cabinet
[04/10/09,09:15:18] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[04/10/09,09:40:26] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[04/10/09,09:40:34] Microsoft .NET Framework 3.5 'package': [2] Error unpackaging h:\wcu\dotnetframework\dotnetfx35\x86\netfx35_x86.exe: Corrupt cabinet
[04/10/09,09:40:35] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[04/10/09,09:46:25] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[04/10/09,09:46:36] Microsoft .NET Framework 3.5 'package': [2] Error unpackaging H:\WCU\dotNetFramework\dotnetfx35\x86\netfx35_x86.exe: Corrupt cabinet
[04/10/09,09:46:37] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[04/10/09,09:46:45] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
[04/10/09,09:46:45] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.5 'package' is not installed.
[04/10/09,10:00:38] Microsoft .NET Framework 3.0a: [2] Failed to fetch setup file in CBaseComponent::PreInstall()
[04/10/09,10:00:38] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467260.
[04/10/09,10:00:38] setup.exe: [2] CSetupManager::RunInstallPhase() - Call to Pre/Install/Post for InstallComponents failed
[04/10/09,10:00:39] setup.exe: [2] CSetupManager::RunInstallPhaseAndCheckResults() - RunInstallPhase() returned a NULL piActionResults
[04/10/09,10:00:39] setup.exe: [2] CSetupManager::RunInstallFromList() - RunInstallPhaseAndCheckResults failed [2]
[04/10/09,10:00:39] setup.exe: [2] ISetupManager::RunInstallLists(IP_PREINSTALL failed in ISetupManager::RunInstallFromThread()
[04/10/09,10:00:39] setup.exe: [2] ISetupManager::RunInstallFromThread() failed in ISetupManager::RunInstall()
[04/10/09,10:00:39] setup.exe: [2] CSetupManager::Run() - Call to RunInstall() failed
[04/10/09,10:00:40] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.0a is not installed.
[04/10/09,10:00:40] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.5 'package' was not attempted to be installed.
[04/10/09,10:00:40] WapUI: [2] DepCheck indicates Microsoft .NET Framework 3.5LP - CHS was not attempted to be installed.
[04/10/09,10:08:36] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[04/10/09,10:08:46] Microsoft .NET Framework 3.5 'package': [2] Error unpackaging h:\wcu\dotnetframework\dotnetfx35\x86\netfx35_x86.exe: Corrupt cabinet
[04/10/09,10:08:47] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[04/10/09,10:15:45] Microsoft .NET Framework 3.0a: [2] Error: Installation failed for component Microsoft .NET Framework 3.0a. MSI returned error code 1603
[04/10/09,10:15:54] Microsoft .NET Framework 3.5 'package': [2] Error unpackaging h:\wcu\dotnetframework\dotnetfx35\x86\netfx35_x86.exe: Corrupt cabinet
[04/10/09,10:15:54] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.

大家帮忙看一下有什么错误