Build error because of user mapped section open

Vijay Bhoski 0

Severity Code Description Project File Line Suppression State

Error Unable to copy file "obj\Debug\codeTest.exe" to "bin\Debug\codeTest.exe". The requested operation cannot be performed on a file with a user-mapped section open. codeTest

1 answer

Anna Xiu-MSFT 25,801 Reputation points Microsoft Vendor

2024-04-17T03:19:09.6633333+00:00
Hi @Vijay Bhoski ,

Welcome to Microsoft Q&A!

The error often occurs when a file is locked by another process or application.

Please try the following:

Ensure the executable is not running. You can check it in the task manager and disable it. Or restart the computer.

Ensure that you have permission to write to the bin\debug folder.

Clean and rebuild the solution.

You can try to manually copy the file into “bin\Debug”.

Sincerely,

Anna

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Digital Bill 0 Reputation points

2024-04-21T21:41:54.11+00:00

I am also having this problem. I see that the origin of this issue goes all the way back to 2020 but the answers or suggestions that i see are not helping or do not resolve the issue. I am going to leave a bit more detail in hopes that maybe it will trigger an idea or another possible route to look into. This only happens when I do a Debug session which will work the first time always but if i go to try it a 2nd time without restarting the machine then i get this error. I just got done reinstalling visual studio and that did not fix it. I believe that this actually seems to be happening because of some issue happening with MSBuild. I checked permissions and those are fine. It is almost as if MSBuild is not cleaning everything up as it is supposed to do or something to that effect. I did try using "taskkill /f /im MSBuild.exe" which comes back in the command screen confirming it found another process and that it was able to kill that process successfully but when i try to build or do a clean and then rebuild same error comes right back up. I use Visual Studio in multiple place or multiple machines i should say and i do not have this problem on any of the other systems that i use it on, only on my main machine which makes it hurt more. Any suggestions are welcomed, I just want to move past this as i have quite a bit of stuff that needs to be worked on.

Thank You

Bill Lennox

Here is some info that may or may not help.

Visual Studio Community Version 2022 Preview and regular editions are both installed.

Its not the specs of my machine that i am sure of.

Running on Windows 10 Version 22H2 (OS Build 19045.4291)

Microsoft Visual Studio Community 2022

Version 17.10.0 Preview 2.0

VisualStudio.17.Preview/17.10.0-pre.2.0+34707.107

Microsoft .NET Framework

Version 4.8.09037

Installed Version: Community

Visual C++ 2022 00482-90000-00000-AA300

Microsoft Visual C++ 2022

ADL Tools Service Provider 1.0

This package contains services used by Data Lake tools

ASA Service Provider 1.0

ASP.NET and Web Tools 17.10.173.6507

ASP.NET and Web Tools

ASP.NET Web Frameworks and Tools 2012 17.10.173.6507

For additional information, visit https://www.asp.net/

Azure App Service Tools v3.0.0 17.10.173.6507

Azure App Service Tools v3.0.0

Azure Data Lake Tools for Visual Studio 2.6.5000.0

Microsoft Azure Data Lake Tools for Visual Studio

Azure Functions and Web Jobs Tools 17.10.173.6507

Azure Functions and Web Jobs Tools

Azure Stream Analytics Tools for Visual Studio 2.6.5000.0

Microsoft Azure Stream Analytics Tools for Visual Studio

C# Tools 4.10.0-3.24127.5+e3d617bc46b0f92c2d2438188b35e009b942d0d1

C# components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Common Azure Tools 1.10

Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Cookiecutter 17.0.24060.4

Provides tools for finding, instantiating and customizing templates in cookiecutter format.

Dotfuscator Community Edition 6.5.3+7f0b0a9d18

PreEmptive Protection - Dotfuscator CE

Extensibility Message Bus 1.4.39 (main@e8108eb)

Provides common messaging-based MEF services for loosely coupled Visual Studio extension components communication and integration.

GitHub Copilot 1.147.0.0 (v1.147.0.0@218a5ecac)

GitHub Copilot is an AI pair programmer that helps you write code faster and with less work.

GitHub Copilot Agent 1.147.0

Linux Core Dump Debugging 1.0.9.34707

Enables debugging of Linux core dumps.

Microsoft Azure Hive Query Language Service 2.6.5000.0

Language service for Hive query

Microsoft Azure Stream Analytics Language Service 2.6.5000.0

Language service for Azure Stream Analytics

Microsoft Azure Tools for Visual Studio 2.9

Support for Azure Cloud Services projects

Microsoft JVM Debugger 1.0

Provides support for connecting the Visual Studio debugger to JDWP compatible Java Virtual Machines

Mono Debugging for Visual Studio 17.10.4 (67e63f0)

Support for debugging Mono processes with Visual Studio.

Node.js Tools 1.5.60222.1 Commit Hash:e927e599b101b497db07e256ffd6ac4f6ff70b9a

Adds support for developing and debugging Node.js apps in Visual Studio

NuGet Package Manager 6.10.0

NuGet Package Manager in Visual Studio. For more information about NuGet, visit https://docs.nuget.org/

Office Developer Tools for Visual Studio 17.10.34627.00

Microsoft Office Developer Tools for Visual Studio

Python - Django support 17.0.24060.4

Provides templates and integration for the Django web framework.

Python - Profiling support 17.0.24060.4

Profiling support for Python projects.

Python - VC Project Support 17.0.23055.1

Provides support for launching C++ projects with Python debugging enabled.

Python with Pylance 17.0.24060.4

Provides IntelliSense, projects, templates, debugging, interactive windows, and other support for Python developers.

Razor (ASP.NET Core) 17.10.2.2415507+c5753a9c23d8422e24ed842c0ddad71e84d900d1

Provides languages services for ASP.NET Core Razor.

SQL Server Data Tools 17.10.87.0

Microsoft SQL Server Data Tools

StopOnFirstBuildError 1.0

StopOnFirstBuildError

Stops a solution build immediately after a project has failed to build.

https://einaregilsson.com/stop-build-on-first-error-in-visual-studio-2010/

Test Adapter for Boost.Test 1.0

Enables Visual Studio's testing tools with unit tests written for Boost.Test. The use terms and Third Party Notices are available in the extension installation directory.

Test Adapter for Google Test 1.0

Enables Visual Studio's testing tools with unit tests written for Google Test. The use terms and Third Party Notices are available in the extension installation directory.

ToolWindowHostedEditor 1.0

Hosting json editor into a tool window

TypeScript Tools 17.0.30221.2001

TypeScript Tools for Microsoft Visual Studio

Visual Basic Tools 4.10.0-3.24127.5+e3d617bc46b0f92c2d2438188b35e009b942d0d1

Visual Basic components used in the IDE. Depending on your project type and settings, a different version of the compiler may be used.

Visual C++ for Cross Platform Mobile Development (Android) 15.0.34707.36

Visual C++ for Cross Platform Mobile Development (Android)

Visual C++ for Linux Development 1.0.9.34707

Visual C++ for Linux Development

Visual F# Tools 17.10.0-beta.24127.3+b57dee7cec971021547a7b8a36a46d7271fea99e

Microsoft Visual F# Tools

Visual Studio IntelliCode 2.2

AI-assisted development for Visual Studio.

Visual Studio Tools for Unity 17.10.0.0

Visual Studio Tools for Unity

VisualStudio.DeviceLog 1.0

Information about my package

VisualStudio.Mac 1.0

Mac Extension for Visual Studio

VSPackage Extension 1.0

VSPackage Visual Studio Extension Detailed Info

Workflow Manager Tools 1.0 1.0

This package contains the necessary Visual Studio integration components for Workflow Manager.

Xamarin 17.10.0.81 (main@b6ae522)

Visual Studio extension to enable development for Xamarin.iOS and Xamarin.Android.

Xamarin Designer 17.10.1.36 (remotes/origin/d17-10@cf22639d5c)

Visual Studio extension to enable Xamarin Designer tools in Visual Studio.

Xamarin Templates 17.9.0 (38e87ba)

Templates for building iOS, Android, and Windows apps with Xamarin and Xamarin.Forms.

Xamarin.Android SDK 13.2.2.0 (d17-5/45b0e14)

Xamarin.Android Reference Assemblies and MSBuild support.

Mono: d9a6e87 Java.Interop: xamarin/java.interop/d17-5@149d70fe SQLite: xamarin/sqlite/3.40.1@68c69d8 Xamarin.Android Tools: xamarin/xamarin-android-tools/d17-5@ca1552d

Xamarin.iOS and Xamarin.Mac SDK 16.4.0.23 (9defd91b3)

Xamarin.iOS and Xamarin.Mac Reference Assemblies and MSBuild support.

Vijay Bhoski 0 Reputation points

2024-04-22T14:12:24.0166667+00:00

Thank you @Anna Xiu-MSFT for your answer, but as Digital Bill mentioned above, even if I restart the machine, this error comes back again after the first debug session. If i try to build, then the visual studio again complaints that some other session is using the file. but in fact i think its the MSBuild itself is blocking it.. Please note that it happens after the FIRST DEBUG SESSION...

I think it might be a old ghost coming back.. because i have seen people complaining about this long back. please have this checked out.

@Digital Bill one workaround i found out is delete that Bin folder exe file with "Shift + Delete". Then i was able to delete the file manually and then build it. Just trying to delete, as you know, complains that some other process is using it.
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