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QuickBooks accounting software is one of the safest and most useful applications. You may face a few errors while using QuickBooks but the application makes sure your data stays safe even when you get errors. Sometimes script errors save you from an online forgery attack like QuickBooks Error 9999, which gets triggered when the browser refuses to execute a script from a website hosted on a third-party domain. The browser refuses to execute the script to protect the user information from cross-site Request Forgery attacks. The error sometimes gets triggered when you are trying to connect QuickBooks to your bank account. Updating the online bank website can fix the error sometimes. You can resolve the error using different solutions according to their causes. The solutions and the causes are explained below in this article. Read the article until the end to know more. 

Banking errors can be tricky. If you need technical assistance with the error’s troubleshooting, dial 1-855-856-0042 and get help from a QuickBooks Expert. 

How to Resolve QuickBooks Script Error 9999?

Update your Bank Account

The bank sometimes updates its website, which can trigger the error. You need to install the updates on your computer to resolve the error. Follow the steps listed below to update your bank account:

  • First, you need to open QuickBooks Online.
  • Select the Banking tab. 
  • Choose the update option.
  • Repeat the process 2-4 times. 

Clear Cache Memory

The old cache files can be a reason for the error. You need to clear the cache files of your browser to fix the error. The steps to clear the cache memory are given below:

  • Open Google Chrome on your computer. 
  • Enter chrome://settings/clearBrowserData in the address bar.
  • Select the cached images and files checkbox. 
  • Finally, click Clear data.

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Disconnect and Reconnect to the Bank Account

The issues with the bank account may trigger QuickBooks script error 9999. You can disconnect and then reconnect the bank account to resolve the error. The steps to disconnect and reconnect the bank account are given below:

Disconnect the Bank Account: 

  • Open QuickBooks and select the Banking tab from the left pane.
  • Then choose the banking option from the banking tab.
  • Click the Edit icon next to the account you need to disconnect.
  • Select Disconnect this account on the save checkbox from the Account window.
  • Finally, choose to Save and Close.

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Reconnect the Bank Account:

  • Open the Banking tab in QuickBooks.
  • Select Add Account.
  • Type your login credentials and click Continue.
  • Go through the security verification.
  • Then click Securely Connect.
  • Choose the bank icon next to your bank account.
  • After that, choose the account type from the dropdown list.
  • Click Bank account or credit card account.
  • If you don’t have an account, select +Add new.
  • At last, click Connect.


The information given in this article explains the causes and the solutions to QuickBooks Error 9999. The most effective solutions described in this article are to update the bank account, clear the cache files, and disconnect and then reconnect to the bank account. If the error is still not resolved, you can try to import the transactions manually. Dial 1-855-856-0042 to get help from a QuickBooks Professional if you are having trouble resolving the error by yourself.

Also read this blog:  Permanent Solutions to Erase QuickBooks Error 15101


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Peter Adams 2
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