I'm getting an error trying to open SW 2010 CAD files in SW 2019. I researched the problem and found this solution:

https://customerportal.solidworks.com/siebel/app/customerportal/enu?SWECmd=GotoView&SWEView=SW+OUI+All+Defects+List+cust… 

It seems I need to install an update, but I can't figure out how to do it. In my customer portal everything shows a padlock, and trying to register my product serial number says it's an invalid number. It's a student license, so I'm at a loss for what to do.