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Asked: 2026-06-02T02:29:22+00:00

I’m trying to create a C# program to launch other external applications. I googled

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I’m trying to create a C# program to launch other external applications. I googled around and found this: http://www.dotnetperls.com/process-start which I think is a pretty good tutorial. The only problem I have is I don’t always know the path for the programs.

For instance, if I do this:

ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = "firefox.exe";
Process.Start(startInfo);

It launches firefox successfully. However if I do this:

ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = "chrome.exe";
Process.Start(startInfo);

It fails because it can’t find chrome and it looks like I need to launch it from its exact path. So my question is is there a way to access a universal registry of all installed applications and launch from there? Thanks.

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1 Answer

  1. Editorial Team

    Applications can be directly launched when their folder path is in ‘PATH’ environment variable.

    This variable can be viewed and edited in:

    1. Right click ‘Computer’
    2. Properties.
    3. Advance Settings if you’re using ‘Windows7’ or ‘Vista’
    4. Advance tab
    5. Environment Variable

    Entries are separated by ;.

    I think you can lauch Firefox because Firefox already put its folder into PATH.

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