Keychain Utility Support

This page is for your support questions and comments on my free utilities KeychainCheck and KeychainCheck2. Full details, […]

Permission Repair Support

This page is for your support questions and comments on my free utilities PermissionScanner and RepairHomePermissions. Full details, […]

Catalina will change our boot disks substantially with its read-only system volume. Here’s an account of what we already have in Mojave.

Where to look for that vital preference file? Here’s a list of those you’ll find most useful in Mojave.

Twenty-five superb Impressionist canvases surrounded by myths about their creation. Here’s something closer to the truth.

Downloading runtime support from Apple can save you wondering why a tool appears to be broken.

What’s the quickest way to tear down all user apps and services? Or to force a restart? The answer is in the command tool launchctl.

If you thought that we’d already installed Mojave 10.14.6 Supplemental Update, here’s yet another go at it, with […]

Apple has pushed an update to the data used by Gatekeeper, bringing its version number to 181, dated […]

I have now enabled commenting on older articles again. Please feel free to do so. Let’s hope the […]