System.Configuration.ConfigurationErrorsException:?創建?userSettings/Microsoft.SqlServer.Configuration.LandingPage.Properties.Settings?的配置節處理程序時出錯:?未能加載文件或程序集“System,?Version=4.0.0.0,?Culture=neutral,?PublicKeyToken=b77a5c561934e089”或它的某一個依賴項。系統沒找到指定的文件。?(C:\Users\hp\AppData\Local\Microsoft_Corporation\LandingPage.exe_StrongName_ryspccglaxmt4nhllj5z3thycltsvyyx\10.0.0.0\useronfig?line?5)?--->?System.IO.FileNotFoundException:?未能加載文件或程序集“System,?Version=4.0.0.0,?Culture=neutral,?PublicKeyToken=b77a5c561934e089”或它的某一個依賴項。系統沒找到指定的文件。
?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.tor(RuntimeConfigurationRecord?configRecord,?FactoryRecord?factoryRecord)
????在?System.Configuration.RuntimeConfigurationRecord.CreateSectionFactory(FactoryRecord?factoryRecord)
????在?System.Configuration.BaseConfigurationRecord.FindAndEnsureFactoryRecord(String?configKey,?Boolean&?isRootDeclaredHere)
?

?

解決：

刪除這個文件
?
C:\Users\username\Local?Settings\Application?Data\Microsoft_Corporation\LandingPage.exe_StrongName_ryspccglaxmt4nhllj5z3thycltsvyyx\10.0.0.0\user.config?

安裝SQL2008 提示 創建usersettings/microsoft.sqlserver.configuration.landingpage.properties.se