Did you receive an odd message from Battle.net while attempting to play StarCraft online?   You have either been playing too long or you are not permitted to play at this time of day. (Failed to make initial server connection (Error 2:64))

In order to disable two-sided printing by default in all Mac OS applications (see this post to set double-sided printing per job), you need to edit your printer defaults using CUPS. CUPS is open-source software Mac OS uses to handle system printer settings.   First, enable the CUPS web interface. Open Terminal and type the following...

Are you having issues installing system updates for macOS? Some users report receiving an error message on their Mac when they go to Settings -> Software Update and attempt to install the latest system updates.   Unable to verify software update. You can try again to complete the installation.   The error message is vague and...

Do you own a pair of Apple AirPods? Perhaps you notice that on occasion when only one Airpod works when you have both in your ear. An annoying problem but an easy solution.   *Note:* It is possible your non-working AirPod has corrosion from water damage. Look underneath this AirPod to see if you see any...

If you are unable to export photos from Mail into the Photos app on Mac (Mail app right-click -> Export to Photos) try the following fixes in order.   Ensure add to photos share menu is enabled. Go to System Preferences -> Extensions -> Share Menu -> Add to Photos is checked.