I am currently using Selenium and C# in visual studio 2010 to run tests using a remote web driver and Internet Explorer 9.
When I run the test, the command window will show and the initial start page for the webdriver server will show however this message below is then given and the test fails.
System.InvalidOperationException: Unexpected error launching Internet Explorer. IELaunchURL() returned HRESULT 80070005 ('Access is denied.') for URL 'http://localhost:5555/' (NoSuchDriver)
The problem here was that the new updates/browser version was being applied to the computer so we just had to revert all updates and go back to the intended browser version which was IE9