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Why won’t Ventura let me install that?

Download some vital free software, mount its disk image, run the Installer package there – but why does Ventura refuse to install it, and what you do?

December 16, 2022 Macs, Technology

Finder can’t create an alias inside a package or bundle

The Finder is happy to create aliases to most files and folders, provided they aren’t immediately inside a bundle or package. Then it gets all fussy. But why?

December 3, 2022 Macs, Technology

Explainer: macOS updaters

How macOS updaters have changed over the last decade, and why they’re far more reliable, but you can’t download a standalone updater any more.

March 19, 2022 Macs, Technology

Why do installer packages expire, but apps don’t? Signing certificate and notarization oddities

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App signatures remain valid forever, but Installer packages are different, and their certificates can and do expire. What about notarization though?

February 8, 2022 Macs, Technology

How to slip ‘unsigned’ apps past Gatekeeper in Big Sur

If you use the Installer app the wrong way, it will open an ad-hoc signed package and quietly install apps which don’t get checked by Gatekeeper.

March 16, 2021 Macs, Technology

Building and notarizing command tools as Universal binaries

Stepping through building it correctly in Xcode, turning it into an Installer package getting it notarized and the ticket stapled to the tool.

August 27, 2020 Macs, Technology

Taccy 1.5 now validates signatures of apps and Installer packages

How to check whether any Installer package or app has valid certificates, using this new version of Taccy.

October 26, 2019 Macs, Technology

How to check signatures on apps, installers, and packages

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Validating signatures isn’t straightforward. GUI apps are limited, and command tools confusing and prone to user error.

October 25, 2019 Macs, Technology

Catalina crashes non-notarized command tools with a quarantine flag

Do you use third-party command tools? Are you using or planning to use Catalina? This explains how 10.15 changes first run checks on those tools, and their effect on all users.

October 22, 2019 Macs, Technology

Taccy now checks packages as well as app notarization

Want to check whether an Installer package has been properly notarized? This new version of Taccy will do it for you.

October 12, 2019 Macs, Technology, Updates

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