run an uninstall of application

public virtual void UninstallAll(IDictionary savedState)
        {
            //récupération des seaID

            List<int> returnList = new List<int>();

            Log.info("[SEAIDLIST] [GETSEAIDSINSAFE]");

            string path = System.Reflection.Assembly.GetEntryAssembly().Location;
            path = path.Substring(0, path.LastIndexOf("\\")) + "\\safe\\";

            if (Directory.Exists(path))
            {
                Log.info("[SEAIDLIST] [GETSEAIDSINSAFE] Safe exist");

                String[] fileNames = Directory.GetFiles(path);

                foreach (String fileName in fileNames)
                {
                    String fileNameTrucate = fileName.Substring(fileName.LastIndexOf("\\") + 1);

                    int seaId;

                    if (Int32.TryParse(fileNameTrucate, out seaId))
                    {
                        Log.info("[SEAIDLIST] [GETSEAIDSINSAFE] SeaId: " + seaId);

                        returnList.Add(seaId);
                    }
                }
            }
            else
            {
                Log.info("[SEAIDLIST] [GETSEAIDSINSAFE] Client never launched");
            }

            return returnList;

            if (returnList == null)
            {
                Console.WriteLine("Uninstallation Error !");
            }
            else
            {
                base.Uninstall(returnList);
                Console.WriteLine("The Uninstall method of 'MyInstallerSample' has been called");
            }
        }
    }