Failed to successfully launch or connect to a child MSBuild. exe process. Verify that the MSBuild. exe

problem ：

First time this happens to me. It happened to me for the first time .

Ran the build and got this error. Run through the build and get this error .

When I rebuild other sln all works fine. When I rebuild others sln Everything is all right .

Error 1 The build stopped unexpectedly because of an internal failure. error 1 Due to internal failure , Build stopped unexpectedly .Microsoft.Build.Exceptions.BuildAbortedException: Build was canceled.Microsoft.Build.Exceptions.BuildAbortedException： Build canceled .Failed to successfully launch or connect to a child MSBuild.exe process. Unable to successfully start or connect to child MSBuild.exe process .Verify that the MSBuild.exe "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe" launches successfully, and that it is loading the same microsoft.build.dll that the launching process loaded. verification MSBuild.exe“C：\\ Windows \\ Microsoft.NET \\ Framework \\ v4.0.30319 \\ MSBuild.exe” Start successfully or not , And it is loading the same as the boot process microsoft.build.dll.If the location seems incorrect, try specifying the correct location in the BuildParameters object, or with the MSBUILD_EXE_PATH environment variable. If the position seems incorrect , Please try in BuildParameters Specify the correct location in the object , Or use MSBUILD_EXE_PATH environment variable .at Microsoft.Build.BackEnd.NodeProviderOutOfProc.CreateNode(Int32 nodeId, INodePacketFactory factory, NodeConfiguration configuration) at Microsoft.Build.BackEnd.NodeManager.AttemptCreateNode(INodeProvider nodeProvider, NodeConfiguration nodeConfiguration) at Microsoft.Build.BackEnd.NodeManager.CreateNode(NodeConfiguration configuration, NodeAffinity nodeAffinity) at Microsoft.Build.Execution.BuildManager.PerformSchedulingActions(IEnumerable`1 responses) at Microsoft.Build.Execution.BuildManager.HandleNewRequest(Int32 node, BuildRequestBlocker blocker) at Microsoft.Build.Execution.BuildManager.IssueRequestToScheduler(BuildSubmission submission, Boolean allowMainThreadBuild, BuildRequestBlocker blocker) D:\\MaM\\Server\\ClientServices\\Dev\\ClientService 1.4\\Conduit.Mam.ClientServices.Common.Initizliaer\\Conduit.Mam.ClientServices.Common.Initizliaer.csproj Conduit.Mam.ClientServices.Common.InitizliaerMicrosoft.Build.BackEnd.NodeManager.CreateNode Upper Microsoft.Build.BackEnd.NodeManager.AttemptCreateNode（INodeProvider nodeProvider,NodeConfiguration nodeConfiguration） Medium Microsoft.Build.BackEnd.NodeProviderOutOfProc.CreateNode（Int32 nodeId,INodePacketFactory factory,NodeConfiguration To configure ）（NodeConfiguration To configure ） ,MicrosoftABuild.Execution.BerformRechedToScheduler Upper Microsoft.Build.Execution.BuildManager.HandleNewRequest（Int32 node ,BuildRequestBlocker Blocking programs ） Medium Microsoft.Build.Execution.BuildManager.PerformSchedulingActions（IEnumerable`1 Respond to ）,（NodeAffinity nodeAffinity）（BuildAubinity Submit ） ,Boolean allowMainThreadBuild,BuildRequestBlocker blocker）D：\\ MaM \\ Server \\ ClientServices \\ Dev \\ ClientService 1.4 \\ Conduit.Mam.ClientServices.Common.Initizliaer \\ Conduit.Mam.ClientServices.Common.Initizliaer.csproj Conduit.Mam.ClientServices.Common. Initizliaer

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Solution ：

Reference resources ： https://stackoom.com/en/question/z63K