Internet Explorer 8 can be less than stable sometimes. Many websites load terribly slow in IE 8 and sometimes the browser will simply crash for no reason at all. It doesn't have any built-in plugins like Java or Flash Player. Eventually, you may get fed up with this applicationand wish to remove it from your system. There are different ways to perform this decision depending on which operating system you use. Here is how to uninstall Internet Explorer 8 on Windows XP and Windows Vista
Instructions
Click the "Start" button on the toolbar at the bottom of your desktop if you have Windows XP on your computer.
Choose "Control Panel" from the listed options.

Select "Add or Remove Programs."
Scroll down the list of programs in the "Add or Remove Programs" until you find "Windows Internet Explorer 8 Beta 1."
Click on the program. A "Remove" box will appear at the right of the listed program. Click on this box and the Removal Wizard will appear on your screen. Click "Next" to begin the removal of Internet Explorer 8 from your computer.
Go to the Control Panel in the same manner if you are using Windows Vista Select the Uninstall Programs link.
Choose "View installed updates" on the Tasks pane found on the left.
Scroll to "Windows Internet Explorer 8" in the list of updates and select it.
Click the "Uninstall" button and then choose "Yes" in the box that appears to remove Internet Explorer 8 from your computer.