Web deployment task failed. (The type initializer for 'Microsoft.Web.Deployment.DeploymentManager' threw an exception.)

Question

I have been able to publish LightSwitch beta apps for months and all of a sudden I can't

Web deployment task failed. (The type initializer for 'Microsoft.Web.Deployment.DeploymentManager' threw an exception.) 
C:\Program Files\MSBuild\Microsoft\VisualStudio\v11.0\Web\Microsoft.Web.Publishing.targets 4864 6 TestLSApp

Warning 2 The element 'PropertyGroup' in namespace 'http://schemas.microsoft.com/developer/msbuild/2003' has invalid child element 'ImportByWildcardBeforeMicrosoftWebPublishingTargets' in namespace 'http://schemas.microsoft.com/developer/msbuild/2003'. List of possible elements expected: 'Property, AllowUnsafeBlocks, AppConfigForCompiler, ApplicationIcon, ApplicationRevision, ApplicationVersion, AppDesignerFolder, AspNetConfiguration, AssemblyKeyContainerName, AssemblyKeyProviderName, AssemblyName, AssemblyOriginatorKeyFile, AssemblyOriginatorKeyFileType, AssemblyOriginatorKeyMode, AssemblyType, AutorunEnabled, BaseAddress, BootstrapperComponentsLocation, BootstrapperComponentsUrl, BootstrapperEnabled, CharacterSet, CheckForOverflowUnderflow, CLRSupport, UseDebugLibraries, CodePage, Configuration, ConfigurationName, ConfigurationOverrideFile, CreateDesktopShortcut, CreateWebPageOnPublish, CurrentSolutionConfigurationContents, DebugSecurityZoneURL, DebugSymbols, DebugType, DefaultClientScript, DefaultHTMLPageLayout, DefaultTargetSchema, DefineConstants, DefineDebug, DefineTrace, DelaySign, DisableLangXtns, DisallowUrlActivation, CodeAnalysisAdditionalOptions, CodeAnalysisApplyLogFileXsl, CodeAnalysisConsoleXsl, CodeAnalysisCulture, CodeAnalysisFailOnMissingRules, CodeAnalysisForceOutput, Co.... C:\Program Files\MSBuild\Microsoft\VisualStudio\v11.0\Web\Microsoft.Web.Publishing.targets 51 6 Miscellaneous Files

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The Visual Studio LightSwitch Marketplace

http://LightSwitchHelpWebsite.com

Answer 1

I did a repair on Visual Studio and now it works.

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The Visual Studio LightSwitch Marketplace

http://LightSwitchHelpWebsite.com