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Why is QuickBooks Desktop displaying an error that the "Application with Expired Certificate" pop-up?


A quick guide on how to handle the certificate prompt within QuickBooks.





  • The approval of the certificate required by QuickBooks to allow a 3rd party integration to gain access to the QuickBooks Company File is normally part of the installation process. 
    • In cases where clearance has been removed for 3rd party applications (Including AvaTax, or AvaTax ST), the certificate may require re-authentication. 
  • If prompted to re-authorize the certificate, which QuickBooks will do by producing a pop-up message titled "QuickBooks - Application with Expired Certificate", the user will need to select "Yes, whenever this QuickBooks Company File is open". 
    • This selection will allow the authorization of the certificate automatically each time that Company File is open. 
    • Once selected, simply click Continue, and then click Done on the confirmation pop-up.
  • Upon the completion of this process, the AvaTax connector will work as intended.





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