Uninstalling Internet Explorer 7 Beta 2

To uninstall Internet Explorer 7 Beta 2 and return to Internet Explorer 6 on Windows XP

Click “Start,” and then click “Control Panel.”
Click “Add or Remove Programs.”
Check “Show Updates” at the top of the dialog box. (If you are running Internet Explorer 7 Beta 2 Preview - March 20, or a newer version of IE7, this step is not necessary.)
Scroll down the list to “Windows XP – Software Updates,” select “Internet Explorer 7 Beta 2 Preview,” and then click "Change/Remove."

If "Internet Explorer 7 Beta 2" does not exist, run %windir%\$NtUninstallie7bet2p$\spuninst\spuninst.e xe. (To do this, you need to have "view hidden folders" enabled.)