所以我在 Windows XP 上，我试图让 watir-webdriver 运行 Internet Explorer 8。我已经将 IEDriverServer.exe 添加到 cygwin 的 /bin 中。我还暂时禁用了 Windows 防火墙和杀毒软件，但仍然收到此错误消息。
w = Watir::Browser.new :ie
#=>
Errno::EPERM: Operation not permitted - bind(2)
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/port_prober.rb:28:in `initialize' from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/port_prober.rb:28:in `new'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/port_prober.rb:28:in `block in free?' rom /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/port_prober.rb:26:in `each'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/port_prober.rb:26:in `free?'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/port_prober.rb:5:in `above'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/ie/bridge.rb:18:in `block in initialize'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/ie/bridge.rb:18:in `delete'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/ie/bridge.rb:18:in `initialize'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/driver.rb:35:in `new'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver/common/driver.rb:35:in `for'
from /usr/lib/ruby/gems/1.9.1/gems/selenium-webdriver-2.31.0/lib/selenium/webdriver.rb:67:in `for'
from /usr/lib/ruby/gems/1.9.1/gems/watir-webdriver-0.6.2/lib/watir-webdriver/browser.rb:46:in `initialize'
from (irb):3:in `new'
请注意，我第一次运行该程序时，虽然它立即崩溃并显示相同的错误消息，但我从 Windows 收到一个对话框，询问我是否要阻止某些操作。我告诉它“解锁”该动作。