Let me provide you information on why you'll need to update QuickBooks Desktop to the latest release, paul83.

Intuit regularly launches new updates and releases to improve program functionality. These updates are maintenance or patch product releases that improve functionality and resolve several problems. It's highly recommended that users have to update so they can open QuickBooks and prevent issues along the way.

Aside from that, make sure that users are using the minimum system requirements to ensure compatibility, thus making QuickBooks works without issues.

For more information and reference, you can browse these help articles in QuickBooks. 

Reach out to us if you have any concerns about updating. As always, we're always right here to help you if you have are experiencing issues.