QuickBooks Could Not Verify the Digital Signature for the Update File

QuickBooks Could Not Verify the Digital Signature

If your QuickBooks could not verify the digital signature for the update file, you might be facing the QuickBooks error 15222. The 15000 series error can be a little complicated to troubleshoot and arises while installing updates in the application, payroll tax tables, maintenance releases, etc. If the web browser settings are misconfigured, it can cause this error to occur. There can be other reasons for why the update file issue occurs. In this article, we are going to discuss this issue in detail along with its triggers and solutions.

Read Also – QuickBooks Error PS101

Unable to troubleshoot the error on your own? Reach out to us at 1-855-948-3646 to get assistance from our technical team in resolving the error.

Why Does the Payroll Update Error 15222 Arise?

The various possible reasons that cause the 15XXX series errors are –

  • System security applications are interfering with the update download process.
  • Your QuickBooks Desktop needs to be updated.
  • You are not using Internet Explorer as your default browser.
  • Your digital signatures need to be verified.
  • Not being logged in as an admin can also cause the error.

Fixing the QuickBooks Could Not Verify the Digital Signature for the Update File Issue

The issue which results in the QuickBooks error 15222 can be resolved in the following manner –

Step 1 – Install and Verify the Digital Signature

  1. The 15XXX series errors are mainly caused due to issues with the digital signature certificates. To resolve the error, you need to install the digital signature.
  2. Locate the QBW32.exe file from the QuickBooks folder and right-click on it to select the Properties option.
  3. From the Signatures list, under the Digital Signature tab, click on Details.
  4. Select View Certificate and then click on Install Certificate from the certificate window.
  5. Click on Next and then hit Finish once the process ends.
  6. Restart your system and update the QuickBooks Desktop application again.

Step 2 – Edit the Security Program Exclusion List

Add the following programs and domains to the security program exclusion list –

  2. QBW32.exe
  5. Qbupdate.exe

Step 3 – Modify Your Default Browser Settings

  1. Set Internet Explorer as your default browser by modifying the browser settings to resolve the QuickBooks 15XXX series error.
  2. Open Internet Explorer and go to the Tools menu to select Internet Options.
  3. Go to the Programs tab and click the Make Default option to modify the settings.
  4. Hit OK and rerun the QuickBooks Desktop application to see if the issue is fixed.

Step 4 – Use the File Doctor to Fix Network Issues

Download the QuickBooks Tool Hub and run the QuickBooks File Doctor Tool from the Program Problems tab. The tool will run a repair and fix the company file and network issues causing the error in the update process. Once the tool has stopped running, check if the error is fixed.


If QuickBooks could not verify the digital signature for the update file, the error can be resolved by following the steps given above. If you cannot resolve the issue, get in touch with our support team at 1-855-948-3646 for assistance.

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