QuickBooks offers an excellent payroll service that allows small and medium-sized businesses to run payrolls efficiently and is the most effective way to pay employees. However, when running the payroll service, QuickBooks error 15243 pops up on the screen. This interruption can be the result of many reasons, and it mostly happens when you have a damaged File Copy Service (FCS). 
When FCS stops working for some reason, your computer screen prompts, “Error 15243 – The update of payroll is not able to complete successfully. The QuickBooks FCS service is damaged”.
We shall be explaining some solutions on how you can resolve QuickBooks error 15243. If you want to talk to our experts and solve the issue without hassle, you can seek assistance by calling 1.800.579.0391
Why do we see Payroll Update error 15243?
For some reason, if your File Copy Service (FCS) is disabled or damaged, you will see payroll update error 15243. The FSC.exe might stop working for multiple reasons, some of which are listed below-
You must have bug-free, latest updated QuickBooks software to avoid errors. The QuickBooks version on your device might be corrupted or damaged. 
There should be no corruption in the Windows registry while downloading or installing the latest updates of QuickBooks. If your Windows registry is corrupted, you will encounter error code 15243 in QuickBooks payroll.
Your FCS should be running while downloading the payroll update. If FCS is not running or is disabled, you will face an error.
The anti-virus system on your computer might not grant access to download the latest file. In that case, you must allow access to download the payroll updates securely.
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How do we fix the damage in the QuickBooks FCS service?
Here are some of the troubleshooting you can do to get rid of a damaged or disabled QuickBooks FCS service. But before getting to the steps, make sure to make a copy of the company file on your computer to avoid losing your data. 
The steps mentioned below will help you to rerun your QuickBooks FCS service-
On your keyboard, press the Windows + R key.
In the Run dialog, type COMPMGMT.MSC and then click on OK.
When the Computer Management Window opens, select Services and Applications. 
Choose Service.
Scroll down the Service drop-down menu and click on Intuit QuickBooks FCS.
Double click on it, and then on the startup type, select Manual.
Click on Apply and then press OK.
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After you enable FCS, make sure to verify your Payroll Service Key. To do that, follow the steps given below-
Head to the Employees tab.
From the drop-down menu, select My Payroll Service.
Select Activate Service Key.
When the Service Key window appears, highlight the current payroll and then click on Edit.
Click on Next and keep following the on-screen prompts until the Finish option is displayed.
Finally, click Finish.
The steps mentioned above will help you solve your issue if you receive QuickBooks Error 15243 on your screen. You can also try the clean uninstall/install process to solve any QuickBooks error. Moreover, you can try repairing your QuickBooks desktop.
If the error continues, call our experts directly at our 1.800.579.0391 and resolve any issue instantly.

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