visual studio 2010如何完整卸载：
（1)打开“控制面板”，卸载 VS 还有SQL之类的，卸载时看看VS的安装日期，同一时间的都是VS的，都可以卸载（再也不装studio 08和10了 我最讨厌电脑里装的东西多它却一下给我装了二十来个）。
（2）用工具来卸载，会比较干净(其实只是找个代替系统卸载的工具而已)。可以使用IobitUninstaller工具（比较好的卸载工具）。然后按照以下顺序：
1.Microsoft .NET Framework 4 框架 //建议保留，很多东西会用到
1.1.Microsoft .NET Framework 4 Multi-Targeting Pack
1.2.Microsoft .NET Framework 4 Extended //含语言包，先卸载语言包
1.3.Microsoft .NET Framework 4 Client Profile //含语言包，先卸载语言包
2.Microsoft ASP.NET MVC 开发组件包
2.1.Microsoft ASP.NET MVC 2 //含语言包，先卸载语言包
2.2.Microsoft ASP.NET MVC 2 - Visual Studio 2010 Tools //含语言包，先卸载语言包
3.Microsoft Help Viewer 1.0 //含语言包，先卸载语言包
4.Microsoft Silverlight 开发组件包
4.1.Microsoft Silverlight
4.2.Microsoft Silverlight 3 SDK
5.Microsoft SQL Server 2008 R2 开发组件包
5.1.Microsoft SQL Server 2008 R2 Data-Tier Application Framework
5.2.Microsoft SQL Server 2008 R2 Data-Tier Application Project
5.3.Microsoft SQL Server 2008 R2 Management Objects
5.4.Microsoft SQL Server 2008 R2 Management Objects (x64)
5.5.Microsoft SQL Server 2008 R2 Transact-SQL Language Service
5.6.Microsoft SQL Server Compact 3.5 SP2 ENU
5.7.Microsoft SQL Server Compact 3.5 SP2 x64 ENU
5.8.Microsoft SQL Server Database Publishing Wizard 1.4
5.9.Microsoft SQL Server CLR Types
5.10.Microsoft SQL Server CLR Types (x64)
6.Microsoft Sync Fraemwork 框架
6.1.Microsoft Sync Framework SDK v1.0 SP1
6.2.Microsoft Sync Services for ADO.NET v2.0 SP1(x64) //卸载完12步后卸载
6.3.Microsoft Sync Framework Services v1.0 SP1(x64) //卸载完12步后卸载
6.4.Microsoft Sync Framework Runtime v1.0 SP1(x64) //卸载完12步后卸载
7.Microsoft Team Foundation Server 2010 Object Model - ENU
8.Microsoft Visual C++ 开发组件包 //含更新先卸载更新
8.1.Microsoft Visual C++ 2008 Redistributable - x86 9.0.30411
8.2.Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4974
8.3.Microsoft Visual C++ 2010 x64 Designtime - 10.0.30319
8.4.Microsoft Visual C++ 2010 x64 Runtime - 10.0.30319
8.5.Microsoft Visual C++ 2010 x86 Runtime - 10.0.30319
9.Microsoft Visual F# 2.0 Runtime
10.Microsoft Visual Studio ADO.NET Entity Framework Tools
11.Visual Studio 开发工具包
11.1.Microsoft Visual Studio IntelliTrace Collection(x64)
11.2.Microsoft Visual Studio Tools for Office Runtime(x64)
11.3.Microsoft Visual Studio Macro Tools
11.4.Visual Studio 2010 Tools for SQL Server Compact 3.5 SP2 ENU
11.5.Visual Studio 2010 Prerequisites - ENU
11.6.Web Deployment Tool
12.Microsoft Visual Studio 2010 Ultimate - ENU
工具IobitUninstaller下载：files.cnblogs.com/cyh123/iobituninstaller.zip