Which process generates final binary in Debug / Release folders?

Question

I get the following error:

Error: Unable to copy file "obj\Debug\xx.exe" to "bin\Debug\xx.exe". The process cannot access the file 'bin\Debug\xx.exe' because it is being used by another process.

I'm using version 15.3.5 of VS.

I'm aware that csc.exe is the compiler. What I want to ensure, when debugging from Visual studio 2017, is which process is it that ultimately creates the final file in the bin or release folder? Is this constructed in the obj folder and copied over to the final destination by another process?

I suspect that this is our corporate antivirus, given that 'system' acquires the lock for a few minutes at a time.

What is the process name that ultimately creates the binary in the bin/debug or bin/release folder from Visual Studio?

I will use this to configure our antivirus exclusion list.

Leo Liu · Accepted Answer · 2017-09-22 06:31:56Z

1

What is the process name that ultimately creates the binary in the bin/debug or bin/release folder from Visual Studio?

According the log in the output window "Copying file from "obj\Debug\xx.exe" to "bin\Debug\xx.exe", we could to know that the binary in the debug/release is copy from obj folder.

After using process monitor to monitor which process write file during build time, I found that the processes "VBCSCompiler.exe"and "devenv.exe" would write file for that .exe file. You can use process monitor to find out which process copy the .exe file. Besides, you can try to disable antivirus to verify whether antivirus causes this problem.

As a workaround, you can add Visual studio 2017 folder to antivirus exclusion list.

answered Sep 22, 2017 at 6:31

Leo Liu

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