QuickBooks script error take place when the Internet browser settings do not favor QuickBooks, the error can take place, If QuickBooks is not synced with the Internet Explorer, the script error message in QuickBooks can come into sight, you are trying to access a web-page on Internet Explorer when it is already running, then you can get the error message on your screen If you have anymore query related to QuickBooks script error and looking for instant assistance, Please call us on our toll-free number +1 800-579-9430.