Resolve QuickBooks Error 9999 – Online Bank Connection Issue

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Resolve QuickBooks Error 9999 – Online Bank Connection Issue

2025-09-10

When there is disruption in network connection between your bank server and QuickBooks online then an error occurs known as QuickBooks banking error 9999, which is a script error.

When this error occurs, your system starts to respond slowly or sometimes stops working which delays your finance functions.

 Most standard reasons for the occurrence of this error is when you try to update your bank information.

You will see something like this pop-up on your screen,

QuickBooks Error 9999

Script error is also called as cross origin error  which occurs when your system browser unable to run a script which is hosted by third-party software.

Possible reasons for QuickBooks Banking error code 9999

Some of the common reasons for the occurrence of QuickBooks banking error code 9999 :

  • Slow internet connection.
  • Slow connection between bank and Intuit servers.
  • Huge volume of cache files of browser.
  • Issues from the bank end.
  • Incorrect network connection.
  • Windows operating system are attacked by malware or virus attack.
  • Incorrect QuickBooks download or installation in operating system./
  • Due to damaged of windows registry due to updating process of QuickBooks.

    Read More : Fix ‘QuickBooks File Doctor Not Working’ Error

Symptoms of QuickBooks banking error code 9999

Several  ways to identify QuickBooks banking error 9999 :

  • Unable to connect with your bank account.
  • Browser freezes.
  • Display of error message on windows screen.
  • Unexpected crashing of system while implementing the same software application.
  • Windows program unable to run.
  • Slow response of system performance.
  • Unable to update banking information.

Common banking errors related to QuickBooks online error 9999 

When you tries to update bank transactions in QuickBooks online, you will face QuickBooks online error 9999 with other banking error codes. These errors signifies issues related with bank connectivity issues, server downtime as well as security reasons.

Some of most commonly banking errors includes :

  • Error 102/103 – Wrong login credentials.
  • Error 108 – Banking notifications required user action.
  • Error 185 – Additional security verification required
  • Error 324 – QuickBooks cannot find the related bank account.
  • Error 9999 – Connection error between QuickBooks and the bank needs manual transaction updates.

What are the prerequisites before resolving the QuickBooks error 9999

Before implementing any methods to resolve the QuickBooks error 9999, follow the below steps :

  • Go to the bank transaction tab mentioned on the screen.
  • Tap on report error tab mentioned in the error message.
  • Check whether you have installed QuickBooks programs correctly or not. If not then download and install it properly.
  • Provide your registered email id and your name.
  • Save the changes  and submit your application.

    Read More : How to resolve QuickBooks error 12038

Proven Solutions to resolve QuickBooks error 9999 

Follow the below methods to troubleshoot QuickBooks error 9999 :

Method 1 – Updating the bank account 

Updating your bank account several times in a day will fix this banking error.

Follow the below steps to update :

  • Start your QuickBooks Online software.
  • Go to banking tab.
  • Tap on Update in the banking tab.
  • Repeat the above steps several times.
  • If the error still exists, move to next method.

Method  2 – Cleaning of cache files in browser

With the help of cache files, website loads quicker as data is being saved. Sometimes, website code gets clashed with cache files.

For this, follow the below steps to clear the cache files :

QuickBooks Error 9999

In Google chrome :

  • Type “chrome://settings/clearBrowserData” in search bar.
  • Tap enter to execute it.
  • Check the box mentioning the cache files and images given in the box.
  • Clear the selected cache data.

For Firefox :

  • Open firefox browser and type “about:preferences#privacy” in address bar.
  • Run the address.
  • Remove the recent history from the screen.
  • Check the cache which you want to delete from the given list.
  • Now clear the whole tab.

For internet explorer :

  • Choose temporary files and website files.
  • Click delete to delete the complete data.

Method 3 – Connecting again to bank account

Sometimes due to lack of connection between QuickBooks and bank account due to wrong login details or multi-factor authentication, QuickBooks error 9999 occurs.

First you have to disconnect and then reconnect the QuickBooks to bank :

Disconnecting bank account :

  • Choose banking mentioned on the left side.
  • Choose edit icon from the banking screen to disconnect the connection.
  • Now save the changes you have made.
  • Enter close button.

Reconnecting bank account :

  • Select banking from the left side of the panel.
  • Mention your login details.
  • Click continue.
  • Go through all the security verification correctly.
  • Tap on securely connect button.
  • Tap your account name  from the account type.
  • Choose from two i.e., credit card account / bank account.
  • Now mention the login details and connect again.

Method 4 – Sign in to bank account using web browser

Follow the below steps to login to your bank using web browser :

  • Open the site of your respective bank in your web browser.
  • Sign-in to your account using admin credentials.
  • Mention the verification OTP you have received in your mobile number connected to the bank.
  • Choose Updates bank feed in QuickBooks online when you are signed in your account.

Method 5 – Importing bank transaction in QuickBooks online manually 

If the below steps cannot resolve the QuickBooks error 9999 then follow the below steps to import your bank transaction in QuickBooks online :

  • Open QuickBooks online software in the banking section.
  • Choose banking mentioned in the QuickBooks Online page.
  • Tap on the update button to update manually bank transaction.

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Method 6-  Open browser in private mode

To open browser in private mode :

  • If you are using internet explorer tap Ctrl+Shift+P.
  • For Google chrome, tap Ctrl+Shift+L.
  • For Mozilla firefox, tap Ctrl+Shift+P.

Conclusion 

If the above solutions doesn’t help you in resolving the QuickBooks error 9999 then you need technical assistance from Proadvisor support technical experts. They will guide you properly to get rid of this error permanently.

You can connect then via email id info@proadvisorsupport.com , or from toll-free number +1(325)244-1757 or via chat support.

Why is QuickBooks Online Not Downloading Transactions Due to Error 9999?

QuickBooks online symbolizes a script or a connection issues between the bank and QuickBooks blocking crucial QuickBooks functions to process correctly because of incorrect internet settings, wrong browser cache, outdated bank credentials or QuickBooks servers issues on temporary basis.

You can upload transactions manually, deleting the browser cache, verification of internet connection between bank and QuickBooks or connecting to bank consultants.

FAQs 

1. What does QuickBooks Error Code 9999 Mean?

It’s a script error which blocks QuickBooks processes from synchronizing with your bank account causing issues like failure of updation process or unable to download transactions.

2. How to Fix QuickBooks Error 9999?

You can resolve QuickBooks error 9999 by refreshing the bank connection again; deleting the browser cache as well as cookies; disconnecting and reconnecting your bank account; updating QuickBooks software to recent version or contacting Proadvisor support in-case you cannot fix.

3. How Can I Increase My Daily Transfer Limit at FNB?

You can use FNB app by signing in as choosing Cards and then selecting update limits. Another way is to connect to your FNB branch directly by requesting for increase in transfer limit.

4. What is the Transaction Limit?

It’s the maximum amount of money which can be received or sent in a single transaction for a particular time period.

5. Why is There a Limit on a Bank Transfer?

Bank transfer limit occurs due to various reasons such as upgraded security against fraud, abiding to regulatory guidelines to avoid illegal activities like transferring black money and simplifying operational processes.

6. What is the Error Opening the Recording Device Audacity 9999?

Its an ‘Unanticipated host error’ means audacity is unable to access the microphone due to various issues such as operating system permission issues, device connectivity problems etc.

7. What does Script error mean?

A script error is known as browser security which hides the details of Java script errors from source different domain, avoiding sensitive information from data breaching while protecting users from unauthorized access.

8. Can the browser’s cache files lead to error 9999 in QuickBooks Online?

Yes, old or damaged browser cache as well as cookie files leads to QuickBooks online error 9999. This error is an banking connection issue avoiding transactions from synchronization between QuickBooks and the bank.

9. I am facing an error code 9999 while updating my Wells Fargo account. Any ideas?

Error code 9999 signifies to temporary connection issues in your bank account. First refresh to create new connection then clear cache or disconnecting  and reconnecting your bank account.