Selenium 3.0.2 Error With Firefox 50: Executable May Have Wrong Permissions

I'm trying to use Selenium 3.0.2 with Firefox 50.0.1 in Windows 7. I've followed the instructions in this post to setup correctly the driver and the paths but I'm getting the follo

Solution 1:

You should use entire exe address. If you pass just the folder you'll have problems.

>>>chromepath = "C:\\Dev\\chromedriver.exe"
>>>driver = webdriver.Chrome(chromepath)