Fix QuickBooks Error Code 15215

QuickBooks error code generally occurs when there is another application running in the system during the payroll upgrade process. When this error occurs, the following message appears on the screen – Error 15215: Unable to verify digital signature.


In this post, we will tell you the reasons and solutions for QuickBooks error code 15215 that you can perform even if you aren’t technically sound. In case you are short of time or need an expert’s help with the troubleshooting, you can contact our certified technicians. 

What causes QuickBooks Error 15215?

Following reasons may cause QuickBooks payroll error message 15215:

  • QuickBooks accounting software verifies the signature on company files. This error can occur if any file is left unverified during downloading process.
  • This error can appear if QuickBooks installation is incomplete or incorrect.
  • Your Windows is virus or malware infected.
  • Different setup or wrong download of QuickBooks desktop.

Steps to fix the error 15215 in QuickBooks desktop

In order to troubleshoot error 15215, you can follow the below-given methods:

Method 1

Login to QuickBooks as a system administrator

  • Close QuickBooks Desktop. 
  • Right-click on your QuickBooks Desktop icon and click on Run as Administrator.


  • Check if the issue is fixed. 
  • If the error persists, move on to the next step.


Method 2 

Verify Use TLS 1.0 Settings

  • Close all QuickBooks windows.
  • Open Internet Explorer browser.
  • Click on Tools and select the Internet Options icon.
  • Tap on Advanced tap.
  • Click on Advanced Settings and search Use TLS 1.0, Use 1.1, and Use TLS 1.2 options.


  • Keep checkbox in front of Use TLS 1.0 marked and leave rest unmarked.
  • Select OK and close the Internet Explorer internet options tab.
  • Restart your computer.
  • Check if any available updates are present after the system starts. If there are any updates available, download the update again.

Method 3 

Restart MS Windows in Selective Startup


  • Close QuickBooks Desktop.
  • In the system, open run windows.
  • In Windows XP, click on the start tab and open the icon.
  • For Windows 7 and vista, you need to click on the start tab and all program tab. Select the Accessories tab and open the tab.
  • In windows 8 and 10, press Windows + R keys.
  • Type MS Config and hit the OK button.
  • When the System Configuration Utility opens, allow the configuration window to open.
  • Mark the Selective Startup and leave the box in front of Loading Startup items unchecked.
  • Select the Save button and then click on the OK button.
  • Restart your computer.

Method 4

Restart the system

Another method that you can try in order to rectify the QuickBooks error 15215 can be to reboot the system. At times, restarting the system helps in fixing a few bugs in the system, especially the errors related to the internet, network, or printing.

Method 5

Check that the firewall isn’t blocking QuickBooks

Sometimes, QuickBooks software is unable to access the server because the system firewall blocks it. So, configuring is required and the steps required in this process are as follows:

  • Click on Control Panel from the Start menu.
  • Click on the system security, after that select the windows firewall.

We hope that this article proves to be helpful for you in fixing the QuickBooks error 15215. In case you are still facing this issue even after following all the steps mentioned above, contact our QuickBooks error support experts at 1-800-615-2347 for more advanced and precise solutions.