This error might be particularly frustrating if it pops up while trying to get your regular work done. When you try to open a file associated with your business, this error message will often appear. Unlike most other types of errors, script errors have no discernible source and often appear out of nowhere. An error with the page's script could cause a page's failure to load when you try to access a file or utilize the QuickBooks application.
Please understand that this is a harmless error that in no way compromises the page's integrity. Any data you have in QuickBooks is safe against a What is QuickBooks Script Error and How to fix it?. QuickBooks employs Internet Explorer's connection settings by default; thus, these issues often arise when working online. You might get the following error message on your desktop screen when this error appears on your desktop screen:

Any number of diverse causes can set off a QuickBooks desktop script issue. We have noted some of the most apparent causes of this error below:
Script errors in QuickBooks desktop are typically caused by the browser preferences you have set up. Since Internet Explorer is QuickBooks default browser, you may run into issues loading or using some websites directly from the program.
Some of the common symptoms that can be related to the Script error in QuickBooks are:
To fix QuickBooks Desktop script errors, you can follow the steps outlined below:
Before beginning the fix, you must disable alerts for QuickBooks script errors.

ActiveX files can be removed from your computer by accessing Internet Explorer's settings menu.
Users should delete temporary files and cache, because they consume excessive disc space and also lay grounds for file corruptions and other technical issues, including the Script errors. The steps are:

Perform the steps below to turn off Addons on the Internet Explorer”

QuickBooks desktop isn't opening in your default browser, which may not be Internet Explorer. Errors in the script could also occur as a result of this. For this reason, you should make Internet Explorer your default browser.

If you want to implement this fix on Internet Explorer, you'll need to delete the SSL certificates. How to do so is outlined in detail below:

The user should also set up and update the script languages including Java script and VB Script as they are vital when it comes to the seamless working of Internet Explorer.
We have seen above the ways to troubleshoot QuickBooks Script errors like a professional. By default, QuickBooks use Internet Explorer's connection settings, which can be a source of script issues. Script issues manifest in QuickBooks Desktop if JavaScript or VB Script fails to install correctly, or Internet Explorer cannot execute these scripting languages for whatever reason.
To fix the script error in QuickBooks, you just need to reset the settings in Internet Explorer, which doesn't take much time. We trust that the workarounds mentioned above helped resolve the QuickBooks desktop script issues you were experiencing. However, please contact the QuickBooks error support team if the error persists after trying these methods.