Intuit releases updates of QuickBooks Desktop from time to time so that the overall functionality can be improved and users can get more advanced features. However, the procedure of updating QuickBooks Desktop to the latest release is not free from errors, and among the most common errors, QuickBooks error 15222 is the one. Dealing with such update errors might be pretty annoying to many users because of their technicalities. There can be numerous reasons causing QuickBooks update error 15222 that we intend to discuss with you, alongside their solutions, through this post.

Are you looking for immediate troubleshooting support to fix QuickBooks error 15222? If yes, feel free to get in touch with certified QuickBooks experts at 1.800.579.0391.

What causes QuickBooks update error 15222?

QuickBooks update error 15222 generally gets triggered because of the reasons we have mentioned below:

  • Internet Explorer is not set as the default web browser, due to which QuickBooks Desktop is failing to download its latest updates.
  • The inability of the Internet Explorer function to register digital signatures of QuickBooks Desktop.

What are the best solutions to rectify QuickBooks error 15222?

Solution 1) Make Internet Explorer the default web browser

  • Open the Windows Start menu.
  • Enter “Internet Explorer” into the search box and select Internet Explorer from the list of results.
  • On your keyboard, press the Alt and X keys to open the Tools menu.
  • Select Internet options from the drop-down list.
  • Go to the Programs tab and then click the Make default button.
  • Click the OK button and then close Internet Explorer.
  • Try to update your QuickBooks Desktop application to the latest release.

Solution 2) Manually install a digital signature certificate of your QuickBooks Desktop application

  • If QuickBooks Desktop is running on your computer, close it.
  • Open the Windows Start menu.
  • Enter “File Explorer” into the search box and select File Explorer.
  • Open the C: drive and then navigate to Program Files\Intuit\QuickBooks.
  • Find QBW32.exe in the folder and right-click on it.
  • Choose the Properties option.
  • Go to the Digital Signature tab and then select Intuit,Inc. from the signature list.
  • Click the Details button.
  • On the Digital Signature Details screen, select View Certificate.
  • On the Certificate screen, select Install Certificate.
  • Continuously select Next until you see Finish. Then select Finish.
  • After following the steps mentioned above, restart your computer.
  • Try to update your QuickBooks Desktop application to the latest release.


Even after implementing both the troubleshooting solutions that we have mentioned above in the post, if QuickBooks error 15222 persists, then the third-party security applications might be blocking necessary QuickBooks files. Thus, we suggest you unblock all the QuickBooks files that are quarantined by the security applications and check if this fixes the error. You can also ask for further troubleshooting assistance resolving QuickBooks update error 15222 from QuickBooks professionals at 1.800.579.0391.