Error MSB3075.. -waitmutex" exited with code 5. Please verify that you have sufficient rights to run this command

Development Pipeline & Plugins
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1

I’m using different version of Visual Studio (run as admin 2013, 2015, 2017) and Unreal Engine (4.14, 4.15, 4.16) - result the same:
If project is allocated on disk D for example (not C), Visual Studio can’t build it.

1>------ Build started: Project: testcpp, Configuration: Development_Editor x64 ------
1>Creating makefile for hot reloading testcppEditor (no existing makefile)
1>EXEC : error : System.IO.DirectoryNotFoundException: Could not find a part of the path 'D:\UE_Projects\testcpp\testcpp.uproject'.
1>   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
1>   at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
1>   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
1>   at System.IO.StreamReader..ctor(String path, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize, Boolean checkHost)
1>   at System.IO.File.InternalReadAllText(String path, Encoding encoding, Boolean checkHost)
1>   at UnrealBuildTool.JsonObject.Read(String FileName)
1>   at UnrealBuildTool.ProjectDescriptor.FromFile(String FileName)
1>   at UnrealBuildTool.RulesCompiler.CreateProjectRulesAssembly(FileReference ProjectFileName)
1>   at UnrealBuildTool.UEBuildTarget.CreateTarget(TargetDescriptor Desc, String[] Arguments, Boolean bCompilingSingleFile)
1>   at UnrealBuildTool.UnrealBuildTool.RunUBT(BuildConfiguration BuildConfiguration, String[] Arguments, FileReference ProjectFile)
1>C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\IDE\VC\VCTargets\Microsoft.MakeFile.Targets(44,5): error MSB3075: The command ""D:\Program_D\Epic Games\UE_4.16\Engine\Build\BatchFiles\Build.bat" testcppEditor Win64 Development "D:\!WORK\!UE_Projects\testcpp\testcpp.uproject" -waitmutex" exited with code 5. Please verify that you have sufficient rights to run this command.
1>Done building project "testcpp.vcxproj" -- FAILED.
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

Somebody can help with it?)

2

The Compiler says it’s trying to find the project file at: ‘D:\UE_Projects\testcpp\testcpp.uproject’

But your arguments say: "“D:!WORK!UE_Projects\testcpp\testcpp.uproject”

Which is the correct location? Also, have you tried moving your project to a directory without the ! character in the name?

3

super fast and right answer which I ever get before,
Thank you very much!
please put it in answer so I can accept it)

4

“!” sign in the path break it )

5

“!” sign in the path break it :wink:

6

I want to add an answer here as well. I have been building on disk D:. Just recently it stopped. The way I worked around it was to build and compile in Unreal. It works, provided there are no errors, every time. VS is a quirky beast. Try to use work arounds whenever possible. To add to this - my path was correct and nothing seemed different. I even went to a previous build but VS just would not complile and build.

7

如果上面两个答案没用的话，试试我这个。

If those two answers are useless,Try mine.

这个问题我花了大半天时间来搜索解决方案。终于找到了有用的东西

I spent almost half day to search for the solution to this.Finally, I found something useful.

可以参考一下上面两个问题的答案，其实两个都一样。

You can refer these two links above. Both the same, either one will be fine.

为了方便你们，我直接复制了解决方案：

For your convenient, I copyed it :

This is a known issue with changing to 4.12 and using tasks. It can be resolved by simply adding “GameplayTasks” to the PublicDependencyModuleNames section inside your ‘ProjectName’.Build.cs For example:
PublicDependencyModuleNames.AddRange(new string[] { “Core”, “CoreUObject”, “Engine”, “InputCore”, “AIModule”, “GameplayTasks” });

在YourProjectName.Build.cs里的PublicDependencyModuleNames加上GameplayTasks就行。

Add GameplayTasks to PublicDependencyModuleNames of the YourProjectName.Build.cs file~.

8

Exactly the solution to my problem, thank you so much!

9

Useful,Thank you very much

10

I ran into this same problem when upgrading from 4.20 to 4.21. I tried a few things, but what seemed to work for me was just modifying any of my header of cpp files in any way (I just added a line and commented it out)