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Asked: 2026-06-10T03:38:23+00:00

I started out with my application writing the config to the registry like I

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I started out with my application writing the config to the registry like I did years back with UAC wasn’t around.

Turned out this wasn’t a good idea so I moved to the app.config file and found that this is having issues as well with UAC.

The configuration I have for the application is machine specific; individual users do not have their own configuration and the rest of the apps including the service all drive off the single configuration file.

If I try updating this file in the program files\myapp folder it gets denied.

What is everyone else doing for a scenario like this where there needs to be a single configuration file?

I should also mention that this configuration needs to be updated from within my applications.

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1 Answer

  1. Editorial Team

    I would use the Common Application Data folder, this is where most new applications store data which works with UAC.

    You can get this with the following code:

    Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData)

    To view all options for special folders you can check this link:

    http://msdn.microsoft.com/en-us/library/system.environment.specialfolder.aspx

    The most common options would be the following:

    Application Data – The directory that serves as a common repository for application-specific data for the current roaming user.

    Common Application Data – The directory that serves as a common repository for application-specific data that is used by all users.

    Local Application Data – The directory that serves as a common repository for application-specific data that is used by the current, non-roaming user.

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