Check Registry to see if it is installed : Registry « Development Class « C# / C Sharp

Check Registry to see if it is installed


using System;
using Microsoft.Win32;

class Utility
    public static bool IsInstalled(string uninstallProductName, string targetMachine)
        RegistryKey regKey = RegistryKey.OpenRemoteBaseKey(RegistryHive.LocalMachine, targetMachine);
        RegistryKey tempKey;

        uninstallProductName = uninstallProductName.Trim().ToLower();

        regKey = regKey.OpenSubKey("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall", false);

        foreach (string subKey in regKey.GetSubKeyNames())
            tempKey = regKey.OpenSubKey(subKey, false);

            if (Array.IndexOf(tempKey.GetValueNames(), "DisplayName") >= 0)
                if (tempKey.GetValue("DisplayName").ToString().ToLower()
                    return true;

        // no match
        return false;


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