Mac App Store Stops Working on Older macOS Versions
Mac users running macOS Mojave (10.14) and earlier versions are reporting widespread issues accessing the Mac App Store, with ...
Apple breaks the Mac App Store for macOS Sierra users
A back end change to the Mac App Store appears to have shut out users of macOS Sierra and older versions, blocking not just purchases, but also downloads of software already bought.
Tampa Free Press on MSN3mon
Apple App Store Not Working, Hit With Download Outage
iPhone, iPad, and Mac users are reporting widespread problems downloading apps from Apple's App Store. Attempts to download .
MacStories8y
What to Do When the Mac App Store App Just Spins and Spins
Quit the Mac App Store app Drag the downloads folder to the trash Empty the trash Reboot your Mac The 4th step is crucial. I had done the first 3 but did not reboot and the app still did not work ...