sqlserver2012安装出错如何解决

sqlserver2012安装出错怎么解决
有关调用实时(JIT)调试而不是此对话框的详细信息,
请参见此消息的结尾。

************** 异常文本 **************
System.Configuration.ConfigurationErrorsException: 创建 userSettings/Microsoft.SqlServer.Configuration.LandingPage.Properties.Settings 的配置节处理程序时出错: 未能加载文件或程序集“System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”或它的某一个依赖项。系统找不到指定的文件。 (C:\Users\海\AppData\Local\Microsoft_Corporation\LandingPage.exe_StrongName_ryspccglaxmt4nhllj5z3thycltsvyyx\11.0.0.0\user.config line 5) ---> System.IO.FileNotFoundException: 未能加载文件或程序集“System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”或它的某一个依赖项。系统找不到指定的文件。
文件名:“System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”
   在 System.Configuration.TypeUtil.GetTypeWithReflectionPermission(IInternalConfigHost host, String typeString, Boolean throwOnError)
   在 System.Configuration.RuntimeConfigurationRecord.RuntimeConfigurationFactory.Init(RuntimeConfigurationRecord configRecord, FactoryRecord factoryRecord)
   在 System.Configuration.RuntimeConfigurationRecord.RuntimeConfigurationFactory.InitWithRestrictedPermissions(RuntimeConfigurationRecord configRecord, FactoryRecord factoryRecord)
   在 System.Configuration.RuntimeConfigurationRecord.RuntimeConfigurationFactory..ctor(RuntimeConfigurationRecord configRecord, FactoryRecord factoryRecord)
   在 System.Configuration.RuntimeConfigurationRecord.CreateSectionFactory(FactoryRecord factoryRecord)
   在 System.Configuration.BaseConfigurationRecord.FindAndEnsureFactoryRecord(String configKey, Boolean& isRootDeclaredHere)

警告: 程序集绑定日志记录被关闭。
要启用程序集绑定失败日志记录,请将注册表值 [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD)设置为 1。
注意: 会有一些与程序集绑定失败日志记录关联的性能损失。
要关闭此功能,请移除注册表值 [HKLM\Software\Microsoft\Fusion!EnableLog]。

   --- 内部异常堆栈跟踪的结尾 ---
   在 System.Configuration.BaseConfigurationRecord.FindAndEnsureFactoryRecord(String configKey, Boolean& isRootDeclaredHere)
   在 System.Configuration.BaseConfigurationRecord.GetSectionRecursive(String configKey, Boolean getLkg, Boolean checkPermission, Boolean getRuntimeObject, Boolean requestIsHere, Object& result, Object& resultRuntimeObject)
   在 System.Configuration.BaseConfigurationRecord.GetSection(String configKey, Boolean getLkg, Boolean checkPermission)
   在 System.Configuration.BaseConfigurationRecord.GetSection(String configKey)
   在 System.Configuration.ClientConfigurationSystem.System.Configuration.Internal.IInternalConfigSystem.GetSection(String sectionName)
   在 System.Configuration.ConfigurationManager.GetSection(String sectionName)
   在 System.Configuration.ClientSettingsStore.ReadSettings(String sectionName, Boolean isUserScoped)
   在 System.Configuration.LocalFileSettingsProvider.GetPropertyValues(SettingsContext context, SettingsPropertyCollection properties)
   在 System.Configuration.SettingsBase.GetPropertiesFromProvider(SettingsProvider provider)
   在 System.Configuration.SettingsBase.GetPropertyValueByName(String propertyName)
   在 System.Configuration.SettingsBase.get_Item(String propertyName)
   在 System.Configuration.ApplicationSettingsBase.GetPropertyValue(String propertyName)
   在 System.Configuration.ApplicationSettingsBase.get_Item(String propertyName)
   在 Microsoft.SqlServer.Configuration.LandingPage.Properties.Settings.get_WindowPlacement()
   在 Microsoft.SqlServer.Configuration.LandingPage.LandingPageForm.OnLoad(EventArgs e)
   在 System.Windows.Forms.Form.OnCreateControl()
   在 System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible)
   在 System.Windows.Forms.Control.CreateControl()
   在 System.Windows.Forms.Control.WmShowWindow(Message& m)
   在 System.Windows.Forms.Control.WndProc(Message& m)
   在 System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   在 System.Windows.Forms.ContainerControl.WndProc(Message& m)
   在 System.Windows.Forms.Form.WmShowWindow(Message& m)
   在 System.Windows.Forms.Form.WndProc(Message& m)
   在 System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   在 System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   在 System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)


************** 已加载的程序集 **************
mscorlib
    程序集版本: 2.0.0.0
    Win32 版本: 2.0.50727.6413 (Win8RTMGDR.050727-6400)
    基本代码: file:///C:/Windows/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll
----------------------------------------
mscorlib.resources
    程序集版本: 2.0.0.0
    Win32 版本: 2.0.50727.6413 (Win8RTMGDR.050727-6400)