Are you getting QuickBooks error 15243 when updating Payroll in QuickBooks Desktop? This error can disrupt the update process and affect QuickBooks's swift functioning. You need not worry; we will be guiding you through the complete process of troubleshooting error 15243 in this guide.

The primary reason that leads to the **[QuickBooks error 15243](https://asquarecloudhosting.com/quickbooks-update-error-15243/)** is disabling QB File Copy Service (FCS), and other factors such as incorrect Internet Explorer settings, corrupted QuickBooks Desktop installation, malicious software, and problems with the Windows registry also trigger this payroll update error. It's important to address this error promptly to ensure the smooth operation of QuickBooks. Let's discuss it in detail.

Enabling FCS (File Copy Service) and giving admin privileges while downloading the update helps handle this particular error 15243. You can perform these steps on your own by following this guide. However, if you are not very much into technical things, you may get stuck in some places. In such conditions, you must connect with our team of technical experts by dialing **[[phone]](tel:[phone])** to get the required assistance.

## Possible Reasons for QuickBooks Error Code 15243

Here is a list of the reasons that might be causing the error 15243 in QuickBooks Desktop and interrupt the seamless functioning of the QuickBooks application.

* A corrupted download or incomplete installation of QuickBooks can trigger error 15243.
* The recent change in QuickBooks software, such as installation or uninstallation, may cause corruption in the Windows registry, contributing to this payroll error.
* The Intuit FCS ( File Copy Service) is not active or disabled.
* Antivirus/ Firewall setting prevents access to download the latest file and leads to the error 15243.
* Error 15243 may appear because of incorrect IE settings on the system.

**The following blogs can help you: [Understanding QuickBooks Unrecoverable Errors: A Comprehensive Guide](https://www.collcard.com/read-blog/56707_understanding-quickbooks-unrecoverable-errors-a-comprehensive-guide.html)**

## Troubleshooting Steps to Fix Error 15243 in QB Desktop

As we have already discussed the root cause of the error code 15243, now let's move to the suitable fixes that will help troubleshoot this QuickBooks error.

### Solution 1: Downloading the Updates in Run as Administrator Mode

Downloading the updates in Run as Administrator mode ensures that the installation process has the necessary permissions to access system resources and required settings and fix the error that may have appeared due to these reasons. Follow the below steps to learn how to download the update in 'Run as Administrator mode.'

* Close all the company files and QuickBooks desktop for now.
* Click right on the QuickBooks Desktop icon and choose the 'Run as Administrator' option.
* After choosing Run as Administrator, a message appears on the screen that says, "Do you want to allow this program to make changes to your computer?"
* Click on 'Yes.'
* Now, download the recent updates of QB and payroll tax table update again.
* If the error still appears, go to the next solution.

### Solution 2: Enable QuickBooks Desktop FCS ( File Copy Service)

When the FCS service is disabled, it can prevent QuickBooks from updating successfully, leading to error 15243. Follow the below steps to enable FCS ( File Copy Services).

* Start by pressing the Windows+R keys simultaneously to open the Run window.
* Into the Run command box, type "COMPMGMT.MSC" and click 'OK' to open the Computer Management window.
* In the Computer Management window, navigate to 'Services and Applications' and then select 'Services.'
* Scroll down the list of services until you find "Intuit QuickBooks FCS," then double-click on it to open.
* Select 'Manual' after clicking on the 'Startup type.'
* Click on 'Apply' to save the changes.
* Lastly, click 'OK' to close the window.

After following the above steps, you should verify the payroll's service key once to refresh the connection.

**Read More: [QuickBooks Desktop 2021 discontinued!!' What's Next?](https://asquarecloudhosting.com/quickbooks-desktop-2021-discontinued/)**

We have discussed possible causes and the solution to fix QuickBooks error 15243. You can fix the error 15243 by following the above guide. However, these errors are not easy to resolve; thus, you must seek professional help. Do not hesitate to call us, dial **[[phone]](tel:[phone])**, and contact our QuickBooks support team.