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How to Fix QuickBooks OLSU Error?

QuickBooks OLSU Error

QuickBooks OLSU error generally occurs because of issues with the bank account, internet connection or the company file. So users must proceed with caution as they’ll have to make changes that impact the entire accounting data. Troubleshooting the Quickbooks OLSU error takes time because several factors can lead to the error. When you’ve not connected the bank account properly or the website of your bank isn’t available, then you’ll receive this error.

Problems with the internet connection or interference from security software can also cause the Quickbooks OLSU error. If there is a specific message, then you can find out that the file downloaded from the bank’s website isn’t actually compatible with your version of QuickBooks. Internet explorer can also lead to this error, so can a version of QB that was deprecated, as deprecated versions don’t support online banking.

In this post, you’ll learn how to fix the QuickBooks OLSU error.

QuickBooks is a widely used application for effective individual or organizational financial management. It comes with various features as well as options, making it convenient for the users to track daily monetary or financial transactions.

To use QuickBooks, one needs to integrate a bank account with the software. Once a bank account has been added, daily transactions will come into display. Nevertheless, you can integrate more than one bank account with this application. Integrating bank accounts should happen seamlessly unless you stumble upon technical errors. Typically, banking errors with QuickBooks have been known as OLSU errors. Sometimes, they have also termed OL errors.

OLSU errors can possibly happen due to the following reasons:

Below are some of the possible reasons that users can face:

  • Problems with financial institutions, like bank servers being down, changes that have been made by banks are not updated yet, etc.
  • Issues with the accounts of your company files
  • The Internet connection is not working properly

OLSU errors can be categorized into different types. Different errors are signified with numbers, like OLSU 1024, 1016, etc.

QuickBooks OLSU Error 1016

QuickBooks Error OLSU 1016 has been identified as the hexadecimal format of error that has taken place. This is a common error code format that has been used by Windows operating systems or Windows-based driver software. This is a technical description of an error that has occurred with your QuickBooks application. So, to resolve this error, one needs to have enough technical insight or knowledge to resolve such errors.

Before troubleshooting, it is important to know what causes this particular error. QuickBooks error olsu 1016 signifies Windows file damage. The corrupted system file can cause a real problem in using the Quicken application properly. This kind of error can take place due to incomplete installation. It can be an aftermath of file damage due to virus infection. For troubleshooting this error, step-by-step actions are required. Novice users are suggested to attain help from professional technicians.

Causes of QuickBooks Error Olsu 1016

Below are some QuickBooks OLSU error 1016 possible causes:

  • Mainly the error occurs when there are issues with the bank( like some technical issue).
  • When the installation process is not complete, and also due to corrupt downloading.
  • Outdated version of QuickBooks.
  • Error arise, due to internet issue.
  • If the bank server is down.
  • If you ignored some important notification.
  • Outdated version of Windows.
  • Problem with company file.
  • You cannot change the name of the bank due to a bank merger.
  • They offer their altered services, Web Connect or Direct Connect.

QuickBooks OLSU Error 1024

OLSU 1024 error is also caused by Windows file system damage or error. Windows operating system will show this error for QuickBooks. This error can be caused due to various reasons. It can be the aftermath of a corrupt file due to incomplete installation, a damaged file due to virus infection, and many more. It can also be a problem with the hardware of the system. There are various ways of resolving such errors. First of all, the exact cause of the error has been diagnosed. Up next, troubleshooting measures have been taken to rule out those diagnosed errors.

Causes of QuickBooks OLSU Error 1024

Below are some QuickBooks OLSU error 1024 possible causes:

  • Outdated version of QuickBooks application.
  • When FIDIR  is unable to store your bank data/information.
  • QuickBooks company file infected by malware or virus.
  • Corrupted windows are also the reason behind the error olsu 1024. 
  • FIDIR is not available in its original location.

QuickBooks error olsu 1011

QuickBooks OLSU 1011 error has been encountered by many users, especially when they want to link a bank account with QuickBooks software. This error appears due to a few possible reasons. The first thing is that the financial institution directory may not be updated. Well, this is a common problem with financial institutions. In such cases, you do not have many things to do, except try linking your bank account again after some time. Possible damage to the company data file is also a possible cause of the OLSU 1011 error. Windows file damage or data corruption is also a possible reason.

Causes of QuickBooks Error olsu 1011

Below are some QuickBooks OLSU error 1011 possible causes:

  • The FIDIR  has not been updated.
  • Outdated version of QuickBooks Desktop.
  • You are in a traditional mode,  alternate it is an express mode.
  • Data integrity issue with a Company file.
  • Because of server maintenance, the bank website is unresponsive.

QuickBooks error olsu 1015

When you set up online banking with QuickBooks or you want to download the transactions on the software interface, you may encounter an OLSU 1015 error, which is a common error faced by various QuickBooks users. There could be various possible reasons behind this error. First of all, this is simply an error with the bank’s server. On the other side, it could also be a problem with your internet connection. So, in general, you have to check these two possibilities in the first place. When these possibilities are checked and no errors are diagnosed, you need to check other possibilities. Other possibilities are browser problems, Windows file system errors, and many more.

Causes of QuickBooks Error olsu 1015

Below are some QuickBooks OLSU error 1015 possible causes:

  • Outdated version of QuickBooks Desktop.
  • Internet connectivity issues that prevent QuickBooks from connecting with bank servers.
  • Bank websites or servers are in preservation mode.
  • Wrong login ID & password.
  • You are not in express mode or side-by-side mode.
  • Issue with your Company Data.
  • Unsupportive configuration of the IE  to the QuickBooks with the internet.

QuickBooks error olsu 1035

While integrating bank accounts to activate Internet banking through QuickBooks, many people encounter QuickBooks OLSU 1035 errors. This is a system file error and is often termed a hexadecimal error. This is a technical error message, which needs to be interpreted carefully. It takes place due to various reasons. Possible reasons should be known to the users. When you know the reasons, you have to check the errors according to the causes, in a step-by-step approach. Mainly, it signifies errors with Windows files or file corruption issues. However, it can happen due to problems with your browser or the internet too. Bank server down is also a possible reason.

QuickBooks 2012 error olsu 1013

OLSU error 1013 is a common error with QuickBooks, and this error is encountered when you try to integrate or link your bank account with this software. The error can also take place during making online transactions or downloading the transaction details on the software interface. Troubleshooting of errors depends upon the version of QuickBooks that you using. For the 2012 version, troubleshooting will be different in comparison with the 2011 version.

With QuickBooks, you can get customer care service at the tips of your finger. Just as for any product after-sale service is an important part, for QuickBooks we feel that instant support is essential for the convenience of our clients. So, we do our best to ensure that our users can reach us whenever they face any technical glitches with QuickBooks.

See AlsoHow to Configure QuickBooks Database Server Manager?


  1. User is receiving an OLSU 1015 error message from QuickBooks Acct 2021 when trying to set up an Online Bank Feeds account with Citibank.

    Let me help get the bank feeds working for you. In the meantime, you can try to manually update your bank feeds, and see if it downloads your bank transactions. You can follow the steps below for the process:

    1. Go to the Banking menu from the left navigation panel.
    2. Select the Banking tab.
    3. Choose the bank account you’re having problems with under the Bank and Credit Cards section.
    4. Click the Update button.

    If the transactions aren’t still downloading, I suggest manually downloading your bank transactions from your bank’s website and importing them into QuickBooks using a Webconnect file.

  2. Why does Bank of America get the OLSU-1013 error message?

    It’s because your bank server might be unresponsive due to updates or maintenance. OLSU-1013 error means that the software is unable to communicate with the bank’s server.

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