Macworld

How to fix the ‘untrusted_cert_title’ error when reinstalling macOS

Some Mac owners see untrusted_cert_title as an error when attempting to reinstall macOS. This problem arises when the Mac’s system clock is set incorrectly, and you ...
CNET

Important new KB articles: Security Update prevents reinstall of OS X 10.1; more

We assume this means that when a 10.1.1 update (or whatever the next update will be called) comes out, you will not be able to install the update unless you have previously installed this Security ...
Digital Trends

Some new Mac users can’t reinstall Mountain Lion (and how to fix it)

New Mac computers are causing problems for some users who tried to reinstall OS X or restore their computers from a back up. The problem stems from a permissions issue that occurs when the Mountain ...
Macworld

Bugs & Fixes: Troubleshooting Installing Mac OS X Lion

Mac OS X Lion is easier to install than any previous version of Mac OS X. You don’t have to boot from a DVD or flash drive. Just download the Install Mac OS X Lion ...
CCM

How to reinstall MacOS without disc

MacOS includes a recovery partition that allows you to easily erase all data on your Mac and reinstall your OS without an installation disc. In this article we will show you how to reinstall Mac OS ...