In most cases, you can ignore them. Script error messages are displayed by Internet Explorer when there is a problem with the JavaScript or VBScript code on the website you are viewing. Occasionally a script error can be caused by an error in downloading a webpage, but more often it is an error in the webpage itself.

To be sure it isn't an error in downloading, click the Refresh button, or press F5.

Picture of the refresh current page button
Internet Explorer refresh button

If the error persists, and you are not a developer testing a website, you should click No to ignore the error.

To avoid script errors in the future, you can turn off script debugging and notifications in Internet Explorer.

Turn off script debugging and notifications in Internet Explorer

Script error debugging and notifications are turned off by default. If they have been turned on, follow these steps to turn them off again.

  1. Open Internet Explorer by clicking the Start button Picture of the Start button. In the search box, type Internet Explorer, and then, in the list of results, click Internet Explorer.

  2. Click the Tools button, and then click Internet Options.

  3. Click the Advanced tab, select the Disable script debugging Internet Explorer) and Disable script debugging (Other) check boxes.

  4. Clear the Display a notification about every script error check box, and then click OK.