Visual Studio 2019 编译.Net Core Console项目出现MSB4018 The "CreateAppHost" task failed unexpec(

追风赶月莫停留，平芜尽处是春山。这篇文章主要讲述Visual Studio 2019 编译.Net Core Console项目出现MSB4018 The " CreateAppHost" task failed unexpec(相关的知识，希望能为你提供帮助。
需要测试一个小东东，使用Visual Studio 2019新建了一个.Net Core的Console程序，但是在编译的时候一直报错，死活编译不通过。
错误信息：

Severity Code Description Project File Line Suppression State ErrorMSB4018 The " CreateAppHost" task failed unexpectedly. System.AggregateException: One or more errors occurred. ---> Microsoft.NET.HostModel.HResultException: 8007006E at Microsoft.NET.HostModel.ResourceUpdater.Update() at Microsoft.NET.HostModel.AppHost.HostWriter.< > c__DisplayClass2_0.< CreateAppHost> g__UpdateResources|1() at Microsoft.NET.HostModel.RetryUtil.RetryOnWin32Error(Action func) at Microsoft.NET.HostModel.AppHost.HostWriter.CreateAppHost(String appHostSourceFilePath, String appHostDestinationFilePath, String appBinaryFilePath, Boolean windowsGraphicalUserInterface, String assemblyToCopyResorcesFrom) --- End of inner exception stack trace --- at Microsoft.NET.HostModel.AppHost.HostWriter.CreateAppHost(String appHostSourceFilePath, String appHostDestinationFilePath, String appBinaryFilePath, Boolean windowsGraphicalUserInterface, String assemblyToCopyResorcesFrom) at Microsoft.NET.Build.Tasks.CreateAppHost.ExecuteCore() at Microsoft.NET.Build.Tasks.TaskBase.Execute() at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() at Microsoft.Build.BackEnd.TaskBuilder.< ExecuteInstantiatedTask> d__26.MoveNext() ---> (Inner Exception #0) Microsoft.NET.HostModel.HResultException: 8007006E at Microsoft.NET.HostModel.ResourceUpdater.Update() at Microsoft.NET.HostModel.AppHost.HostWriter.< > c__DisplayClass2_0.< CreateAppHost> g__UpdateResources|1() at Microsoft.NET.HostModel.RetryUtil.RetryOnWin32Error(Action func) at Microsoft.NET.HostModel.AppHost.HostWriter.CreateAppHost(String appHostSourceFilePath, String appHostDestinationFilePath, String appBinaryFilePath, Boolean windowsGraphicalUserInterface, String assemblyToCopyResorcesFrom)< ------> (Inner Exception #1) System.UnauthorizedAccessException: Access to the path ' D:VS2019CodeProjectsConsoleApp9ConsoleApp9objDebug etcoreapp3.1ConsoleApp9.exe' is denied. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.File.InternalDelete(String path, Boolean checkHost) at System.IO.File.Delete(String path) at Microsoft.NET.HostModel.AppHost.HostWriter.CreateAppHost(String appHostSourceFilePath, String appHostDestinationFilePath, String appBinaryFilePath, Boolean windowsGraphicalUserInterface, String assemblyToCopyResorcesFrom)< --- ConsoleApp9 C:Program Filesdotnetsdk3.1.100SdksMicrosoft.NET.Sdk argetsMicrosoft.NET.Sdk.targets393

网上的方案有如下，也都进行了尝试：

重启Visual Studio
以管理员身份运行Visual Studio
清理解决方案
删除bin目录下的所有文件

【Visual Studio 2019 编译.Net Core Console项目出现MSB4018 The " CreateAppHost" task failed unexpec(】然鹅，均无效，无奈之下继续寻找解决方案，发现用Process Monitor来监控到底是谁在搞鬼。
点击下载 Process Monitor.
终于发现了罪魁祸首。