If you a developer using Visual Studio for creating code, then you may encounter the below error in ~ some allude of time.

You are watching: Entry point must be defined c++

LINK : deadly error LNK1561: entry suggest must be definedThe error is self-explanatory yet you need to know just how to resolve it. If you are dealing with this fatal error LNK1561 error, you are at the right place. I will certainly share the steps you can follow to settle this intuitive Studio error. Generally the error can show up on any version of intuitive Studio and the listed below steps room applicable on all versions of intuitive Studio IDE.


The error LINK : fatal error LNK1561: entry point must be defined” appears when you space trying to develop the code. The VS linker walk not find the entry point duty in her code; therefore it can not call your code.

Fix fatal error LNK1561: entry point must it is in defined

There can be many scenarios as soon as you can obtain this error. In this article, I will share 3 typical checks the you deserve to verify in your task configuration come make certain the error does no appear.

Fix #1:

In the very first troubleshooting step, you require to understand the will of your code. If you have written the code to build a .dll or .lib; and also your project settings is configured together .exe, climate you will obtain this error.You require to adjust the “Configuration type” indigenous exe come dll or lib.Right-click ~ above the job (not top top the solution) and also go come properties.Under General section, look because that the “Configuration type” field.Change the type from application (.exe) to Dynamic Library (.dll) or static Library (.lib) based on your code.Click on OK to conserve the changes.Clean the project and build that again.

Fix #2:

If the intent of your code is to develop an exe, then the fix #1 walk not organize good. If girlfriend are developing a console application, the linker looks because that main function and for windows application, it expects WinMain function come be present as entry allude to her code.Go to project properties through right clicking the project and also selecting nature from the list.Under Linker → Advanced section, inspect the “Entry Point” field.If the ar is empty and also you have main/WinMain current as the entrance point, the issue should not appear.In case, you face the same error, you can manually update the Entry allude to main/WinMain based on your task type.

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Fix #3:

If you have actually a different entry point duty other than key or WinMain, you have to update the role name in the “Entry Point” field.Right-click on the project and also go come properties.Under Linker → Advanced section, upgrade the “Entry Point” field to your duty name.

Final words:

That’s it. These are the only feasible steps to solve “fatal error LNK1561: entry suggest must be defined” error in visual Studio. I hope your issue is not resolved. Carry out share your comments below and any tips and tricks you adhered to to help other developers.Cheers !!!Other intuitive Studio errors:1. Deadly error LNK1221: a subsystem can’t be inferred and also must be defined2. Mt.exe : basic error c101008d: fail to write the updated manifest come the source of file
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