I had a client today who after every email they received in Apple Mail on Catalina, an error dialog box would pop up saying "The Message <whatever> could not be moved to the mailbox Inbox. Invalid base64 string for MIME...
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I've occasionally needed to fix certain aspects of the Dock on some people's computers - one particular case comes to mind was an elderly client who somehow would remove the Mail icon from the Dock, and then be unable to...
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On macOS Catalina 10.15, the entire boot volume is mounted read-only. All user data, apps, configuration, preferences etc, exists on the data volume which is mounted at /System/Volumes/Data. Even as the root user, you do not have access to create...
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This has popped up a couple of times recently and I can never remember where to go in Office 365 to fix it, so after spending some time on the phone to Microsoft (who, by the way, were very helpful),...
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