You haven't changed any Internet Explorer Internet Options, but you now receive errors similar to:

Error
A Runtime Error has occurred.
Do you wish to Debug?
Line: <line number>
Error: <the script error>

This behavior will occur if you installed Office 2003, and selected the Web Debugging option during installation.

To workaround this behavior:

1. Open Internet Explorer.

2. On the Tools menu, press Internet Options.

3. Select the Advanced tab.

4. Check the Disable script debugging box.

5. Clear the Display a notification about every script error box.

6. Press Apply.

7. Press OK.