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Error -609 Launching App From the Mac App Store from Michael Tsai RSS feed.
Error -609 Launching App From the Mac App Store
Matthias Gansrigler: Does anybody here know what macOS’ error -609 is when launching an app from the App Store? “The application “XYZ” can’t be opened. -609” And, maybe more importantly, how to fix it? Relaunches, re-installs and restarts have not helped. Mark Cornelisse: Are you behind a firewall? This usually occurs when MacOS can't communicate […]