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C# System32 issue

Posted on 2014-11-18
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Last Modified: 2014-11-19
I wrote using C# program and copy to exe file in the system32 folder.
(C:\Windows\System32)
My computer is Windows 7 Professional and 64 bit operating system

After copy to exe file in to the system32 folder im geeting Error. (when im try to Run the exe file)

Please find the attached file for the error
Error-Reports.png
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Question by:ukerandi
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by:Miguel Oz
ID: 40451033
Could you click yes and post the extra info?
In the mean time, check how the build is done for your EXE: Is the Platform target AnyCPU, x86 or x64?
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Vikram Singh Saini earned 500 total points
ID: 40451464
Two points -

1. Try executing your application from other folder other than system folders.

2. If execute, then to run same application from system folder, you will need to run application with Administrator permissions.

Other solution-

Credit goes to This application could not be started.” Only when the file is in system32 directory

Short Answer: Uncheck "Prefer 32-bit".

Long Answer: (Not 100% sure but here goes)

Assuming you have a 64 bit machine, keep in mind that System32 is a folder that is reserved for 64 bit application usage, and although it may seem strange, SysWOW64 contains 32 bit dlls and is reserved for 32-bit applications. Typically, 32-bit applications that access System32 will go through a file system redirector to the SysWOW64 folder. More info here.

However, when your application (which runs as a 32-bit process) runs in System32 itself, the redirector probably doesn't do anything because it thinks there isn't any need to redirect, which is why your app works outside of System32 but not inside it.

So to solve this, uncheck Prefer 32-bit so that it will try to target 64 bit platform, ... or better yet, put the app elsewhere and add the application directory to your environment path variable. That way you can still access your application .exe anywhere, and it won't pollute your System32 folder which should only be used for Windows files anyways.
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