# File languages-statistics.rb, line 97
        def launch(command, argument, error_message, logger)
                if fork_is_available? then
                        pid = fork do
                                begin
                                        exec(command, argument)
                                rescue SystemCallError => e
                                        logger.log error_message + command + ', ' + e.to_s
                                end
                        end
                        Process.detach(pid)
                else
                        exec_result = system('start', command, argument)
                        if not exec_result then
                                logger.log error_message + command
                        end
                end
        end