How To Troubleshoot QuickBooks Error 15101?

QuickBooks error 15101

The QuickBooks error 15101 can obstruct you during the QuickBooks program update. The error message that comes along with this error code states that the QuickBooks Desktop update process was unsuccessful. Most of the time, this error is caused by an outdated digital signature certificate or misconfigured internet settings. This blog post shall apprise you of all the possible troubleshooting steps to fix QuickBooks error 15101.

Forefront causes leading to QuickBooks Error 15101

  • Misconfigured internet settings may lead to error code 15101.
  • An invalid or expired digital signature certificate may also erupt the error.
  • The default browser is not set to Internet Explorer.
  • Some third-party programs are stopping updates from completing.
  • The QuickBooks program can’t connect to the servers because Windows Firewall is stopping it.

What steps to perform for easy resolution of QuickBooks Error 15101?

1: Running the Reboot.bat file

  • To get started, close the QuickBooks Desktop program.
  • Click on the QuickBooks icon with the right mouse button, then click on Properties and Open File Location.
  • Search for the Reboot.bat file, right-click it, and choose “Run as Administrator”.
  • On your screen, you can see a command prompt window.
  • Once the QuickBooks services are back up and running, the Reboot.bat file will end right away.
  • Start QuickBooks again and try to run payroll one more time.
  • If this first step didn’t help you fix QuickBooks Error 15101, move on to the next one.


2: Make Internet Explorer your default web browser

  • Start Internet Explorer and click on the gear icon in the top right corner of the window.
  • Choose Internet Options from that page.
  • Then, on the Programs tab, click the Make Default button.
  • When you’re done, click OK to save the changes.


3: Check your internet explorer settings

  • Press the Windows and R keys at the same time, then type INETCPL.CPL into the Run box and click the OK tab.

QuickBooks error 15101

  • From the drop-down menu, choose General, Remove, Temporary Internet Files, and Website Files.
  • After that, click the “Delete”


  • Go to the connections tab and click on LAN settings.
  • Choose the option to detect settings and click on the Ok tab.


  • Go to the advanced tab, scroll down to the security section, and click the security checkbox to see if TLS 1.2 is checked and TLS 1.0 and TLS 1.1 are not.



4: Update the digital signature certificate

  • Use the “Search” tab in the Windows start menu to find the QBW32.exe file.
  • Once located, right-click on QBW32.exe and then click Properties.
  • Under the digital signature tab, choose Intuit Inc. from the list of signatures.
  • In the details window for the digital signature, click “see certificate.” This is the next step.
  • From the certificate window, choose “install certificate.”


  • Hit on next.
  • Click on Finish.
  • Start QuickBooks after your computer has been turned back on.
  • Check to see if Error 15101 has been fixed.


We have updated all the viable approaches to troubleshoot QuickBooks Error 15101 in this illustrative blog. For additional assistance, you may reach our team via the helpline 1 800 761 1787.