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error

How a security update threw errors in XProtect Remediator

You’ve just installed an update to macOS security software, then it gives you a status of ‘Unknown’ caused by [] and stops working. What’s wrong?

February 6, 2023 Macs, Technology

How to check an app’s signature

GUI software and the commands you need to get the signature of an app checked thoroughly by macOS, plus a detailed list of error code.

September 17, 2022 Macs, Technology

Why won’t that sparse bundle compact?

T T Read More

If you try compacting a sparse bundle, Spundle and hdiutil could return error 1. This explains why, and fixes Spundle to get over it.

August 17, 2022 Macs, Technology, Updates

Last Week on My Mac: Obfuscating errors

Many Mac users now have a better idea as to whether anything’s amiss at home than in their Mac. Why we need a way to check a Mac’s status.

July 31, 2022 Macs, Technology

How to prevent errors on SSDs

If your SSD suddenly loses power, what is there to prevent it from incurring serious errors as a result? Practical solutions.

February 23, 2022 Macs, Technology

Last Week on My Mac: On-board diagnostics

T T Read More

Handling errors means more than a couple of jargon phrases and a magic number. Designing for error requires the user to be at its centre.

January 16, 2022 Macs, Technology

How to deal with a site with a broken certificate

T T Read More

What to do when your browser complains that a website you want to visit has a problem with its certificate security.

October 30, 2021 General, Macs, Technology

Why won’t Safari open that web page?

Did you think it was only old Mac OS X affected by the Let’s Encrypt certificate expiry problem? No, it’s Safari wherever you can use it. Here’s how to deal with it.

October 1, 2021 General, Macs, Technology

What to do when a volume can’t be ejected or unmounted

Finder refuses to eject a volume because it’s in use, or Disk Utility complains that it can’t unmount a volume. Here’s what to do about it.

September 2, 2021 Macs, Technology

How WordPress comments and Property Lists can trip you up

When you write a comment to an article here, or edit a Property List, you’re editing XML. Two or three characters won’t work properly.

May 22, 2021 General, Language, Life, Macs, Painting, Technology

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