2. Close all open applications (i.e., anything with an icon on the taskbar).
3. Right-click on the file you saved in Step #1 above and select Run as Administrator to run the Norton utility again. Don't TOUCH your keyboard until the run completes, then reboot again.
4a. Right-click on the following link & save the download to your desktop: ie8-rereg.all.zip 
4b. Right-click on the file you saved in #4a & select EXTRACT ALL. This will create a new desktop folder also named
ie8-rereg.all. The folder will contain both of the scripts below (plus a third one that you will NOT use).
Note => The scripts are good for IE9, IE10 & IE11, too.
5a. Close all open applications (i.e., anything with an icon on the taskbar), open the folder created in Step #4b above & double-click on the file named
ie8-rereg.32on64.cmd to run the script.
5b. Repeat for the file named ie8-rereg.64on64.cmdthen reboot.