Build Error (Cannot read ntdll.pdb and FileNotFoundException is not handled)

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Build Error (Cannot read ntdll.pdb and FileNotFoundException is not handled)

Eddie0428 96

I'm a beginner as C# programmer and I've just started studying Visual Studio.
I'm programming with console application to read file and display the content on MS console. I was expected to program exception of FileNotFound, but complier said FileNotFoundException is not handled. Could your please give me advice on how to fix this error? Thank you very much!

Timon Yang-MSFT 9,606 Reputation points

2021-08-25T07:26:01.283+00:00

@Eddie0428
This is a coincidence. This exception is not because your readme.txt was not found, but because your project lacks System.Runtime.
There may be many reasons for this problem. Have you added some nuget packages? Did you modify the configuration file?
If possible, please describe your steps in detail so that we can reproduce your problem.
Viorel 122.6K Reputation points

2021-08-25T07:56:28.033+00:00

Probably this issue is not caused by your code. Did you check if the simplest program (which prints "Hello, World!") works?

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Timon Yang-MSFT 9,606 Reputation points

2021-08-25T07:26:01.283+00:00

@Eddie0428
This is a coincidence. This exception is not because your readme.txt was not found, but because your project lacks System.Runtime.
There may be many reasons for this problem. Have you added some nuget packages? Did you modify the configuration file?
If possible, please describe your steps in detail so that we can reproduce your problem.
Viorel 122.6K Reputation points

2021-08-25T07:56:28.033+00:00

Probably this issue is not caused by your code. Did you check if the simplest program (which prints "Hello, World!") works?

Answer 1

Eddie0428 96

@Timon Yang-MSFT ,@Viorel , Thanks for your comments! As for @Viorel 's question, nothing is changed after my code was simplified such as "Hello World!"

I found one issue: I created this project which was not for .NET framework. What I created was for running .NET Core on Windows, Linux, macOS. After creating a console project for .NET Framework, my code works. It seems like creating the wrong project caused this issue even though it is not straightforward solution.

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Build Error (Cannot read ntdll.pdb and FileNotFoundException is not handled)

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