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How do I resolve 'Unhandled exception has occurred in a component in your application' in QuickBooks Desktop?

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Overview

You are trying to access the AvaTax configuration but receive error

"Unhandled exception has occurred in a component in your application. If you click Continue, the application will ignore this error and attempt to continue.  

Object reference not set to an instance of an object."

Environment

QuickBooks Desktop

Resolution

  • Ensure Full Control is given to the Avalara folder for Users and the Trusted Installer. Your network administrator will be able to assist.  
    • Go to C: Drive > Program Files (x86) 
    • Locate Avalara folder
    • Right click on the Avalara folder name click 'Properties'
    • Click 'Security' tab
    • Click 'Edit' to change permissions 
      • Under Group or User names locate 'Users' and 'Trusted Installer'
        • Check Allow for 'Full Control' (both 'Users' and 'Trusted Installer')
        • Click Apply
        • Click Ok
      • Click Ok