1 Answer

Make sure you have another search engine installed before you remove this one.

To uninstall Internet Explorer

If you're trying to uninstall Internet Explorer because of an issue with the browser, first check to see if a solution is listed in Internet Explorer 9 Help and How-to.

The following instructions apply to both Windows 7 and Windows Vista.

Click the Start button , type Programs and Features in the search box, and then click View installed updates in the left pane.
Under Uninstall an update, scroll down to the Microsoft Windows section.

Right-click Windows Internet Explorer 9, click Uninstall, and then, when prompted, click Yes.

Click one of the following:

Restart now (to finish the process of uninstalling Internet Explorer 9 and restore the previous version of Internet Explorer).

Restart later 

Source: http://windows.microsoft.com/en-US/windows7/how-do-i-install-or-uninstall-internet-explorer-9