"A Runtime error has occurred, do you wish to debug?

Click the Tools button , and then click Internet Options. Or, press ALT+T, and then press O. 

In the Internet Options dialog box, click the Advanced tab. 

Click to select the Disable script debugging (Internet Explorer) and Disable script debugging (Other) check boxes, and then click to clear the Display a notification about every script error check box.

Click OK to close the Internet Options dialog box. 

Because this type of error message does not apply to you, you can prevent it from appearing. To do this, follow these steps in Internet Explorer: