在WIN7下安装VS2010安装失败
错误日志是
[10/16/12,18:11:41] Microsoft .NET Framework 4: [2] Error code -939523550 for this component is not recognized.
[10/16/12,18:11:41] Microsoft .NET Framework 4: [2] Component Microsoft .NET Framework 4 returned an unexpected value.
[10/16/12,18:11:42] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 is not installed.
[10/16/12,18:11:43] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 简体中文语言包 was not attempted to be installed.
[10/16/12,18:11:43] VS70pgui: [2] DepCheck indicates Microsoft Visual F# 2.0 Runtime was not attempted to be installed.
[10/16/12,18:11:43] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Macro Tools was not attempted to be installed.
[10/16/12,18:11:44] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Macro Tools CHS 语言包 was not attempted to be installed.
[10/16/12,18:11:44] VS70pgui: [2] DepCheck indicates TFS 对象模型(x86) was not attempted to be installed.
[10/16/12,18:11:44] VS70pgui: [2] DepCheck indicates .NET Framework 4 Multi-Targeting Pack was not attempted to be installed.
[10/16/12,18:11:44] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 Ultimate - CHS was not attempted to be installed.
[10/16/12,18:11:45] VS70pgui: [2] DepCheck indicates Microsoft Web 部署工具(x86) was not attempted to be installed.
[10/16/12,18:11:45] VS70pgui: [2] DepCheck indicates Microsoft ASP.NET MVC 2 - Visual Studio 2010 工具 was not attempted to be installed.
[10/16/12,18:11:45] VS70pgui: [2] DepCheck indicates Microsoft ASP.NET MVC 2 - Visual Studio 2010 工具语言包 - 简体中文 was not attempted to be installed.
[10/16/12,18:11:45] VS70pgui: [2] DepCheck indicates Microsoft ASP.NET MVC 2 was not attempted to be installed.
[10/16/12,18:11:45] VS70pgui: [2] DepCheck indicates Microsoft ASP.NET MVC 2 语言包 - 简体中文 was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates Microsoft Silverlight was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates Microsoft Silverlight 3 SDK was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 Tools for Office Runtime (x86) was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates Microsoft Office 开发人员工具(x86) was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates Microsoft Office 开发人员工具(x86)语言包 - 简体中文 was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates Dotfuscator 软件服务 - 社区版 was not attempted to be installed.
[10/16/12,18:11:46] VS70pgui: [2] DepCheck indicates 用于 Visual Studio 2010 的 Crystal Reports 模板 was not attempted to be installed.
[10/16/12,18:11:47] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 Tools for Office Runtime (x86)语言包 - CHS was not attempted to be installed.
[10/16/12,18:11:47] VS70pgui: [2] DepCheck indicates Dotfuscator 软件服务 - 社区版语言包 was not attempted to be installed.
[10/16/12,18:11:47] VS70pgui: [2] DepCheck indicates Microsoft Visual F# 2.0 Runtime 语言包 - CHS was not attempted to be installed.
[10/16/12,18:11:47] VS70pgui: [2] DepCheck indicates Microsoft SQL Server Compact 3.5 SP2 (x86)简体中文 was not attempted to be installed.
[10/16/12,18:11:47] VS70pgui: [2] DepCheck indicates Visual Studio 2010 Tools for SQL Server Compact 3.5 SP2 简体中文 was not attempted to be installed.
[10/16/12,18:11:47] VS70pgui: [2] DepCheck indicates Microsoft Sync Framework Runtime 1.0 版(x86) CHS was not attempted to be installed.
[10/16/12,18:11:48] VS70pgui: [2] DepCheck indicates Microsoft Sync Services for ADO.NET 2.0 版(x86) CHS was not attempted to be installed.
[10/16/12,18:11:48] VS70pgui: [2] DepCheck indicates Microsoft Sync Framework Services 1.0 版(x86) CHS was not attempted to be installed.
[10/16/12,18:11:48] VS70pgui: [2] DepCheck indicates Microsoft Sync Framework SDK 1.0 版(x86) CHS was not attempted to be installed.
[10/16/12,18:11:48] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 性能收集工具(x86) was not attempted to be installed.
[10/16/12,18:11:48] VS70pgui: [2] DepCheck indicates Microsoft SQL 发布向导 1.4 was not attempted to be installed.
[10/16/12,18:11:48] VS70pgui: [2] DepCheck indicates Microsoft SQL Server 系统 CLR 类型 was not attempted to be installed.
[10/16/12,18:11:49] VS70pgui: [2] DepCheck indicates Microsoft SQL Server 2008 R2 管理对象 was not attempted to be installed.
[10/16/12,18:11:49] VS70pgui: [2] DepCheck indicates Microsoft SQL Server 2008 Express Service Pack 1 (x86) was not attempted to be installed.
[10/16/12,18:11:49] VS70pgui: [2] DepCheck indicates Microsoft SQL Server 2008 R2 数据层应用程序框架 was not attempted to be installed.
[10/16/12,18:11:49] VS70pgui: [2] DepCheck indicates Microsoft SQL Server 2008 R2 数据层应用程序项目 was not attempted to be installed.
[10/16/12,18:11:49] VS70pgui: [2] DepCheck indicates Microsoft SQL Server 2008 R2 Transact-SQL 语言服务 was not attempted to be installed.
[10/16/12,18:11:50] VS70pgui: [2] DepCheck indicates Microsoft SharePoint 开发人员工具 was not attempted to be installed.
[10/16/12,18:11:50] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 ADO.NET Entity Framework Tools was not attempted to be installed.
[10/16/12,18:11:50] VS70pgui: [2] DepCheck indicates Microsoft Help 查看器 1.0 x86 was not attempted to be installed.
[10/16/12,18:11:50] VS70pgui: [2] DepCheck indicates Microsoft Help 查看器 1.0 语言包 x86 was not attempted to be installed.
[10/16/12,18:16:35] Microsoft .NET Framework 4: [2] Error code -939523550 for this component is not recognized.
[10/16/12,18:16:35] Microsoft .NET Framework 4: [2] Component Microsoft .NET Framework 4 returned an unexpected value.
[10/16/12,18:16:37] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 is not installed.
[10/16/12,18:16:37] VS70pgui: [2] DepCheck indicates Microsoft .NET Framework 4 简体中文语言包 was not attempted to be installed.
[10/16/12,18:16:38] VS70pgui: [2] DepCheck indicates Microsoft Visual F# 2.0 Runtime was not attempted to be installed.
[10/16/12,18:16:38] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Macro Tools was not attempted to be installed.
[10/16/12,18:16:38] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio Macro Tools CHS 语言包 was not attempted to be installed.
[10/16/12,18:16:38] VS70pgui: [2] DepCheck indicates TFS 对象模型(x86) was not attempted to be installed.
[10/16/12,18:16:38] VS70pgui: [2] DepCheck indicates .NET Framework 4 Multi-Targeting Pack was not attempted to be installed.
[10/16/12,18:16:38] VS70pgui: [2] DepCheck indicates Microsoft Visual Studio 2010 Ultimate - CHS was not attempted to be installed.
[解决办法]
主要是安装.NET Framework 4.0 的问题。如安装不成功以后的安装步骤就会报错的。
尝试卸载以前版本的。NET，重新安装。
也有可能是用户权限的问题，尝试使用管理员身份运行。
另建议在安装像VS这样的安装包巨多的大型软件安装之前先做份硬盘克隆，防止不可逆的错误。在出现错误的时候也可以迅速恢复到安装前的初始状态。
[解决办法]
