[Quick Troubleshooting Guide] to Fix QuickBooks Error Code 9999

Today, most companies and solopreneurs across the globe are using QuickBooks to manage their financial records. QuickBooks has proved itself a trustworthy and versatile accounting software on which businesses can rely anytime to organize their expenses, monitor the overall cash flow, build invoices, and file taxes. Even though QuickBooks is pretty advanced and advantageous to use, it cannot be considered an ideal accounting application because of the errors and technical glitches that many users often face while working with it. In this post, we are going to talk about QuickBooks error code 9999, which falls under the category of script errors and usually occurs when a user tries to download the latest bank transactions or feeds in the QuickBooks Online application. There can be numerous reasons triggering such an online banking error that we aim to explain to you along with the solutions through this post.

Are you looking for immediate troubleshooting help fixing QuickBooks error code 9999 without breaking a sweat? If yes, feel free to speak to our technical expert team at the toll-free number 800-583-0572. 

What can be the reasons behind the existence of QuickBooks error 9999?

QuickBooks error 9999 generally gets triggered when the connection between the bank and QuickBooks
Online gets outdated. However, there can be several other reasons, such as follows:

  • • The web browser fails to load the bank web page because of excessively stored cached data and files.

What needs to be done to rectify QuickBooks error 9999?

Solution 1) Update the connection between the bank and QuickBooks Online

  • • At first, you need to sign in to QuickBooks Online.
  • • Choose the Banking tab (located at the left panel of the window).
  • • From the Bank and Credit Cards drop-down menu, choose the bank account for which you need to update the connection.
  • • Click on the Update button.

Important: To ensure a stable connection, you need to click on the update button around 4-5 times

Solution 2) Delete the cache data and files stored in the web browser

Procedure to clear the cache data and files from Internet Explorer: 

  • • Open Internet Explorer and then press Ctrl + Shift + Delete keys simultaneously on the keyboard.
  • • On the Delete Browsing History window, checkmark the Temporary Internet files and website files checkbox.
  • • At last, click on the Delete button.

Procedure to clear the cache data and files from Google Chrome: 

  • • Open the Google Chrome browser, type chrome://settings/clearBrowserData in the address bar, and then press the Enter key.
  • • Checkmark the Cached images and files checkbox.
  • • Click on the Clear data button.

Procedure to clear the cache data and files from Firefox: 

  • • Open the Firefox browser.
  • • Enter “about:preferences#privacy” in the search bar, and then press the Enter key.
  • • Click on the clear your recent history button.
  • • Checkmark the Cache checkbox and then click on the Clear now button.


If you cannot get rid of QuickBooks error code 9999 even after implementing both the troubleshooting procedures mentioned in the upper post, then our suggestion for you is to manually import the bank transactions in QuickBooks Online from the bank website and see whether this rectifies the error or not. You can also ask for additional troubleshooting help fixing the online banking error from our QuickBooks support team at the toll-free number 800-583-0572


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