在安装西门子PLC模块FM355时软件包时,出现以下提示,安装不了,请问一下是什么问题,我用的是中文的S7-V5.3.“FM355/455 PID control setup There are data on your computer whith will be deleted the next time you
restart the compurer. This may lead to problems if you reinstall the software. Restart windows and then start setup again.”