本文介绍了当使用Python的Selenium库操作IE浏览器时遇到Protected Mode设置不一致导致的问题及解决方法。通过调整IE浏览器的安全设置，确保所有区域的启用保护模式设置相同，可以解决WebDriver启动失败的问题。
D:\Develop\Python27\pythonw.exe D:/WorkSpace/Python/guo/guoPackage/guopy04_selenium.py
Traceback (most recent call last):
File "D:/WorkSpace/Python/guo/guoPackage/guopy04_selenium.py", line 5, in <module>
driver = webdriver.Ie()
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\ie\webdriver.py", line 57, in __init__
desired_capabilities=capabilities)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 140, in __init__
self.start_session(desired_capabilities, browser_profile)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 229, in start_session
response = self.execute(Command.NEW_SESSION, parameters)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 297, in execute
self.error_handler.check_response(response)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: Unexpected error launching Internet Explorer. Protected Mode settings are not the same for all zones. Enable Protected Mode must be set to the same value (enabled or disabled) for all zones.
Traceback (most recent call last):
File "D:/WorkSpace/Python/guo/guoPackage/guopy04_selenium.py", line 5, in <module>
driver = webdriver.Ie()
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\ie\webdriver.py", line 57, in __init__
desired_capabilities=capabilities)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 140, in __init__
self.start_session(desired_capabilities, browser_profile)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 229, in start_session
response = self.execute(Command.NEW_SESSION, parameters)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 297, in execute
self.error_handler.check_response(response)
File "D:\Develop\Python27\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.WebDriverException: Message: Unexpected error launching Internet Explorer. Protected Mode settings are not the same for all zones. Enable Protected Mode must be set to the same value (enabled or disabled) for all zones.
Process finished with exit code 1
解决办法:
internet 选项，进入安全标签，分别点击internet ，本地intranet，受信任的站点，受限制的站点，四个设置，全部去掉勾选“启用保护模式” 或者全部勾选“启用保护模式”，即保持这四个设置一致，要么全部勾选，要么全部去掉勾选，就可以启动ie浏览器了
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