CP341安装第一步安装点对点驱动,如出现"There are data on your computer which will be deleted the next time you restart the computer. This may lead to problems if you reinstall the softerware. Restart Windows and then start Setup again.的错误提示,请打开注册表HEEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\CONTROL\SESSION MANAGE下的PendingFileRemameOpeaations键,查看该键,将该键所指向的目录文件删除,然后删除该键,不要重新启动,继续你的软件安装。。。第二步,安装modbus master。