Here, try this. It comes straight from Microsoft, and it actually helped me get rid of the runtime errors that were plaguing my machine.
Microsoft Trouble shooting
If that doesn't work, you can also tell Internet Explorer to stop telling you. If you go into your
Internet Options and click the
advanced tab, you should see something in '
Browsing' that says
Display a notification about every script error. Make sure that is unchecked. If that doesn't stop the error, try disabling the script debugging as well.