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It is not recommended to duplicate an executable file by copying and pasting its contents. This approach can lead to potential issues with code signing and digital signatures, which can cause the duplicated executable to not function correctly or be flagged as a security risk.

Instead, it is recommended to use a file copy function provided by the .NET Framework to duplicate the executable file. Here is an example code snippet that demonstrates how to use the File.Copy() method to duplicate an executable file:

```.net Dim sourceFile As String = "C:\MyApp.exe" Dim destinationFile As String = "C:\MyAppCopy.exe"

File.Copy(sourceFile, destinationFile) ```

This code snippet will copy the "MyApp.exe" executable file from the source directory to the destination directory and rename it to "MyAppCopy.exe".