How to Disable or Remove Internet Explorer Enhanced Security Configuration in Windows Server 2003
You get hit with this annoying message:
Luckily, it is really easy to turn off Internet Explorer's Enhanced Security Configuration so you can be on your way installing a better web browser. Simply click on Start > Run > appwiz.cpl to open Add or Remove Programs. Click on "Add/Remove Windows Components" to open the Windows Components Wizard. Uncheck Internet Explorer Enhanced Security Configuration and click Next and then Finish.
Now when you open Internet Explorer you will be greeted with this slightly less annoying message:
Now you can download another web browser without being bothered by annoying messages from Internet Explorer.
*** NOTE ***
To disable IE ESC on Server 2008, check here: