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Asked: 2026-06-01T22:13:22+00:00

Let me ask whether you can make a C# program which can not access

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Let me ask whether you can make a C# program which can not access to any local file system other than the folder/sub folders it is installed? And how if the answer is yes.
For details if it is necessary and possible, users are supposed to accept the program runs under a special user account which is restricted the file access only to the folder it is installed and to sub folders.

Thank you very much in advance.

Edit : Let me add context. I want users do not change their accounts. And as a programmer I do not have complete control over the program for some reasons.

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1 Answer

  1. Editorial Team

    Can you make a C# program which cannot access any part of the local file system other than the directory in which it is installed?

    No, because every C# program will need to at the very least have access to the .NET runtime libraries, which are in the Windows install directory.

    My suggestion to you is that you look into isolated storage. The .NET code access security system enables you to set a policy which states that certain programs only get to access the .NET runtime, the installed location of the code, and a special “isolated storage” directory that can be used for the application to store per-user data.

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