C#

public static ArrayList GetAppLists(string p_machineName)
        {
            RegistryHive hive = RegistryHive.LocalMachine;
            RegistryKey subKey;
            string displayName, displayVersion, keyNameCurrentMachine32;
            ArrayList al = new ArrayList();
            //ArrayList uninstallStrings = new ArrayList();

            keyNameCurrentMachine32 = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall";
            using (RegistryKey regHive = RegistryKey.OpenRemoteBaseKey(hive, p_machineName))
            {
                using (RegistryKey regKey = regHive.OpenSubKey(keyNameCurrentMachine32))
                {
                    if (regKey != null)
                    {
                        foreach (string k in regKey.GetSubKeyNames())
                        {
                            using (subKey = regKey.OpenSubKey(k))
                            {
                                displayName = subKey.GetValue("DisplayName") as string;
                                displayVersion = subKey.GetValue("DisplayVersion") as string;
                                if (!string.IsNullOrEmpty(displayName))
                                {
                                    al.Add(displayName + " " + displayVersion);
                                }
                            }
                        }
                    }
                }
            }
            return al;
        }

private void UninstallProgram()
        {
            ConnectionOptions connection = new ConnectionOptions();
            connection.Username = txtDomain.Text + "\\" + txtUserName.Text;
            connection.Password = txtPassword.Text;
            connection.Impersonation = ImpersonationLevel.Impersonate;
            connection.Authentication = AuthenticationLevel.Packet;
            connection.EnablePrivileges = true;

            ManagementScope scope = new ManagementScope(@"\\" + cbServerAddress.Text + "\\root\\cimv2", connection);
            ManagementObject app = new ManagementObject(scope,
                                       new ManagementPath("Win32_Product.DisplayName='WinRAR 4.01 (32-bit)', DisplayVersion='4.01.0'"),
                                       null);
            MessageBox.Show(app.ToString());
            if (app != null)
            {
                ManagementBaseObject outParams = app.InvokeMethod("Uninstall", null, null);
                MessageBox.Show("finished");
            }
            else
            {
                MessageBox.Show("cant find app.");
            }
        }

ManagementObject app = new ManagementObject(scope,
	new ManagementPath("Win32_Product.DisplayName='WinRAR 4.01 (32-bit)', DisplayVersion='4.01.0'"),