我的设计师开始崩溃，即使是在干净的项目上。错误信息如下：
System.Exception
Package failed updates, dependency or conflict validation.
Windows cannot install package App.afbb198c1.a50af.a4b90.aa065.a08732a9e43b0 because this package depends on another package that could not be found. This package requires minimum version 0.0.0.0 of framework Microsoft.VCLibs.120.00.Debug published by any publisher to install. Provide the framework along with this package.
at Microsoft.Expression.HostUtility.Platform.AppContainerProcessDomainFactory.CreateDesignerProcess(String applicationPath, String clientPort, Uri hostUri, IDictionary environmentVariables, Int32& processId, Object& processData)
at Microsoft.Expression.DesignHost.Isolation.Primitives.ProcessDomainFactory.ProcessIsolationDomain..ctor(ProcessDomainFactory factory, IIsolationBoundary boundary, AppDomainSetup appDomainInfo, FrameworkName targetFramework, String identifier, String baseDirectory)
at Microsoft.Expression.DesignHost.Isolation.Primitives.ProcessDomainFactory.CreateIsolationDomain(IIsolationBoundary boundary)
at Microsoft.Expression.HostUtility.Platform.AppContainerProcessDomainFactory.CreateIsolationDomain(IIsolationBoundary boundary)
at Microsoft.Expression.DesignHost.Isolation.Primitives.IsolationBoundary.Initialize()
at Microsoft.Expression.DesignHost.Isolation.Primitives.IsolationBoundary.CreateInstance[T](Type type)
at Microsoft.Expression.DesignHost.Isolation.IsolatedObjectFactory.Initialize()
at Microsoft.VisualStudio.ExpressionHost.Services.VSIsolationService.CreateObjectFactory(IIsolationTarget isolationTarget, IObjectCatalog catalog)
at Microsoft.Expression.DesignHost.Isolation.IsolationService.CreateLease(IIsolationTarget isolationTarget)
at Microsoft.Expression.DesignHost.Isolation.IsolationService.CreateLease(IIsolationTarget isolationTarget)
at Microsoft.Expression.DesignHost.IsolatedDesignerService.CreateLease(IIsolationTarget isolationTarget, CancellationToken cancelToken, DesignerServiceEntry& entry)
at Microsoft.Expression.DesignHost.IsolatedDesignerService.IsolatedDesignerView.CreateDesignerViewInfo(CancellationToken cancelToken)
at Microsoft.Expression.DesignHost.Isolation.IsolatedTaskScheduler.InvokeWithCulture[T](CultureInfo culture, Func`2 func, CancellationToken cancelToken)
at Microsoft.Expression.DesignHost.Isolation.IsolatedTaskScheduler.
<>c__DisplayClassa`1.
<StartTask>b__6()
at System.Threading.Tasks.Task`1.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
续订project->store->developer license没有帮助。关于这个还能做什么？
事件日志中没有关于任何发生的事件的附加信息。
看起来您缺少一些软件包，您需要查看 Nuget 并查看缺少哪些软件包。或者，通过 NuGet，您可以使用命令行恢复解决方案中的所有包。
nuget restore YourSolution.sln
或者重新安装当前解决方案的所有项目中的所有软件包：
Update-Package -Reinstall
重新安装当前解决方案的特定项目中的所有软件包
Update-Package -ProjectName 'YourProjectNameGoesHere' -Reinstall
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