subprocess.Popen运行报错WindowsError: [Error 740]

subprocess.Popen在win10下运行报740错时

使用os.popen替换，运行OK，exe程序成功启动

import subprocess
import uiautomation as automation
import os

print (automation.GetRootControl())

# subprocess.Popen('D:\SYJ\CloudPos\ZlPos.exe')
os.popen('D:\SYJ\CloudPos\ZlPos.exe')