Method to Resolve Quickbooks Error 15215

QuickBooks update issues are rather common, and most of you have probably encountered one when using QuickBooks. One of the most common causes of QuickBooks issues is an interruption from third-party Windows apps. QuickBooks Error 15215 appears during the download and installation of the most recent payroll updates. However, Error 15215 just affects the update function, and you may continue to use QuickBooks normally. In this post, we will attempt to explain the causes of update error 15215 as well as a simple solution to the problem. If you are unsure about conducting the troubleshooting, you can always contact us for assistance.

Description of QuickBooks Desktop Error 15215

QuickBooks requires a functioning internet connection in order to function properly. Certain internet connection difficulties, as well as QuickBook’s failure to connect to the internet, caused errors in the program. QuickBooks Payroll Update Error 15270, QuickBooks Payroll Update Error 15243, and QuickBooks Error 15218 are some more difficulties that you may encounter as a result of internet connectivity issues. QuickBooks shows the error notice “Issue 15215: Unable to validate digital signature” immediately after you encounter the error 15215. QuickBooks experts recommend a number of troubleshooting procedures to resolve the 15xxx series of issues, which are detailed further in this article.

QuickBooks Update Error 15215 Resolution

Solution. 1: Launch Safe Mode on your computer.

  • To launch the Run box, press the Windows key and the letter R at the same time.
  • In the text field, type MSConfig and press the Enter key.
  • Now, under the General tab, select Selective Startup.
  • Uncheck the Load Startup Items box.
  • Select Hide all Microsoft Services under the Services tab.
  • Select the Disable all option.
  • Return to the Startup tab and choose Open Task Manager.
  • Right-click and choose to Disable All Startup Programs.
  • Clicking the OK button will restart your computer.
  • Try updating QuickBooks Payroll again, and if you receive the same update error 15215, go to the next step.

Also Read: Role of CNAPP Against Rising Cloud Security Threats

Solution 2: Change the Internet Explorer settings

  • If the QuickBooks Desktop program is running on Windows, close it.
  • Click the Start button and search for Internet Options.
  • From the list of options, select Internet Options.
  • Look for TLS settings by scrolling down beneath the Advanced menu.
  • Check that the box for Use TLS 1.0 is ticked and that the boxes for Use TLS 1.1 and Use TLS 1.2 are unchecked.
  • Click Apply, then OK.
  • Restart Windows and attempt again to perform the payroll update.

Solution 3: Launch QuickBooks as Administrator.

  • Check that you have the necessary login credentials to log in as an administrator on Windows.
  • Run as Administrator by right-clicking the QuickBooks gear icon on your desktop.
  • If prompted, enter your login details.
  • Enter to launch QuickBooks.


If your problem is fixed after restarting your computer in the clean boot or selecting startup mode, it means that one of your security software is interfering with QuickBooks’s internet connection. After updating the payroll, be sure to reboot your computer in normal mode.

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