object doesn't support this property or method attachevent

• When I try to launch the Internet Explorer 11 via Selenium RC server, faced with the below pop.
• After surfing found attachEvent is a deprecated function used in older versions of Internet Explorer and modern browsers use addEventListener instead.
• So if you are using earlier version of Selenium server try using the latest selenium standalone server. Which will solve the reported pop up issue.

couldn't open app window; is the pop-up blocker enabled

When I try to launch the Internet Explorer 11 via Selenium RC server, faced with the below pop.

After marking the pop up blocking to be turned off and disabling the “Enable protected mode settings” under security tab, the reported issues got resolved. Please find the helpful screen shots.