Can't connect to App Store

Hello, JFVO.

Thanks for posting in Apple Support Communities. We're happy to help troubleshoot App Store connectivity on your MacBook Pro.

First, check the System Status page to see if there are any known outages: Apple - Support - System Status

Then, follow these steps: If you can't connect to the App Store, iTunes Store, or other Apple services - Apple Support

Let us know what happens! Take care.