VS2010安装失败，有些组件安装不成功
我系统是WIN7的，以前能装，刚重装了系统，VS装不上了，求高手解决
部分安装日志：
[05/27/11,19:05:00] Microsoft Visual Studio 2010 Tools for Office Runtime (x86): [2] CMsiComponent::Install() expects the setup file for Microsoft Visual Studio 2010 Tools for Office Runtime (x86), but the file is not available.
[05/27/11,19:05:05] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:05:15] Microsoft Office 开发人员工具(x86): [2] CMsiComponent::Install() expects the setup file for Microsoft Office 开发人员工具(x86), but the file is not available.
[05/27/11,19:05:21] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:05:31] Microsoft Office 开发人员工具(x86)语言包 - 简体中文: [2] CMsiComponent::Install() expects the setup file for Microsoft Office 开发人员工具(x86)语言包 - 简体中文, but the file is not available.
[05/27/11,19:05:37] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:05:47] Dotfuscator 软件服务 - 社区版: [2] CMsiComponent::Install() expects the setup file for Dotfuscator 软件服务 - 社区版, but the file is not available.
[05/27/11,19:05:53] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:06:03] 用于 Visual Studio 2010 的 Crystal Reports 模板: [2] CMsiComponent::Install() expects the setup file for 用于 Visual Studio 2010 的 Crystal Reports 模板, but the file is not available.
[05/27/11,19:06:08] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:06:19] Microsoft Visual Studio 2010 Tools for Office Runtime (x86)语言包 - CHS: [2] CMsiComponent::Install() expects the setup file for Microsoft Visual Studio 2010 Tools for Office Runtime (x86)语言包 - CHS, but the file is not available.
[05/27/11,19:06:24] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:06:35] Dotfuscator 软件服务 - 社区版语言包: [2] CMsiComponent::Install() expects the setup file for Dotfuscator 软件服务 - 社区版语言包, but the file is not available.
[05/27/11,19:06:40] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:06:51] Microsoft Visual F# 2.0 Runtime 语言包 - CHS: [2] CMsiComponent::Install() expects the setup file for Microsoft Visual F# 2.0 Runtime 语言包 - CHS, but the file is not available.
[05/27/11,19:06:56] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:07:07] Microsoft SQL Server Compact 3.5 SP2 (x86)简体中文: [2] CMsiComponent::Install() expects the setup file for Microsoft SQL Server Compact 3.5 SP2 (x86)简体中文, but the file is not available.
[05/27/11,19:07:12] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:07:23] Visual Studio 2010 Tools for SQL Server Compact 3.5 SP2 简体中文: [2] CMsiComponent::Install() expects the setup file for Visual Studio 2010 Tools for SQL Server Compact 3.5 SP2 简体中文, but the file is not available.
[05/27/11,19:07:28] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:07:39] Microsoft Sync Framework Runtime 1.0 版(x86) CHS: [2] CMsiComponent::Install() expects the setup file for Microsoft Sync Framework Runtime 1.0 版(x86) CHS, but the file is not available.
[05/27/11,19:07:44] setup.exe: [2] ISetupComponent::Pre/Post/Install() failed in ISetupManager::InternalInstallManager() with HRESULT -2147467259.
[05/27/11,19:07:55] Microsoft Sync Services for ADO.NET 2.0 版(x86) CHS: [2] CMsiComponent::Install() expects the setup file for Microsoft Sync Services for ADO.NET 2.0 版(x86) CHS, but the file is not available.