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How to Fix QuickBooks Banking Error?

During working with the QuickBooks application, you may face several technical or non-technical errors. One of the common and problematic banking errors in QuickBooks is Error 377. This error generally occurs when all the connections get lost from Bank accounts in QuickBooks. 

It results in major issues and obstructs all transaction processes such as the user’s inability to download the receipt of transactions and incapable to track overall business payments and transactions. A similar error of QuickBooks called QuickBooks Error H505 detected by users.

Symptoms of QuickBooks Banking Error 377

Below are the signs and symptoms of this error:

  • Crashing of the operating system.
  • The screen displays this message: “Banking Error Code 377”.
  • Windows starts to run slowly.
  • The computer system freezes frequently for a few seconds.

Causes for QuickBooks Banking Error 377

The following are the possible causes of this error:

  • Older version of QuickBooks application.
  • An outdated version of the computer operating system.
  • Un Updated connection type with your bank.
  • Virus or malware entered in the QuickBooks application software.

Methods to Fix QuickBooks Banking Error 377

The following are the possible methods that can help in fixing this QuickBooks Error.

Method 1: Check and Update all bank connection in QuickBooks Application

You can fix banking error 377 just by updating all your connections with banking institutions. If a user wants to add new connections, then create a bank account and click ‘update’, the appearance of the banking page will be shown.

  • Proceed to the left pane and then click on the “Banking” option.
  • After that, select your existing bank.
  • Then, move to the right side of the banner and click the “update” option. 
  • You are all done with this method’s process successfully.

To make sure that the error is removed or not, you need to try and download the payment receipts through the banking window. 

Read More: Quickbooks bank reconciliation

Method 2: Usability of a web connection

You can use these web connections and fix this QuickBooks banking error issue. 

  • Log-in to your online banking.
  • Select the “Data Range and all transactions file” in the.QBO file format.
  • Again Log-in to your QuickBooks online account with the help of your default browser.
  • Click on the “Banking” option, then the “update” option, and then “File upload”.
  • After that, the user needs to manually select all the transactions.
  • Ensure about all selected transactions, select the “Download file” and then click ‘Next’.
  • Choose the “Account” option from the QuickBooks accounts menu, enter all necessary information.
  • Move to the “Set up a new account” option and choose the “Gear” option.
  • After that, From the drop-down menu of tools, choose the “Import data”.
  • Select the data of the bank and click ‘Next and then ‘Let Go’.


These are the maximum possible instructions for solving the QuickBooks Error 377. There is a tool called QuickBooks Error support offered by Intuit. If you still get any issues or want professional guidance or help, you can contact me through this number: 1-877-349-3776.

See More : QuickBooks Error H202 | QuickBooks Error 80070057

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