When accessing App store, you might get this error: "The data couldn't be read because it isn't in the correct format", and other odd behaviour downloading, etc.
Removed these files from: ~/Library/Preferences/ ... com.apple.appstore.commerce.plist com.apple.appstore.plist com.apple.appstore.plist.lockfile com.apple.appstored.plist Then reboot
My latest blog post: Ask Doctor Google: Do I not trust doctors? Well, to some extent I do, but I would prefer an AI any day! (posted 2026-05-06).