Mac: Make a bootable USB flash drive is the easiest (and fastest) way to get the newest version of OS X installed on multiple machines. However, if you still have one sitting around, TidBits found out that an expired certificate file means they won't work any more. A certificate is required for every app in the Mac App Store and it turns out that all of the various OS X installers had a certificate that expired in February 2016. Pretty much every app affected by this has already been updated already so if you download something now, it won't have any issues. However, if you're like me and like to keep a bootable install disk or USB drive around for troubleshooting, you'll need to download the installer again and remake your USB drive.
An Expired Certificate Means You'll Need To Remake Any OS X USB Boot Drives
Trending Stories Right Now
Finding clear, definitive facts about healthy exercise can be difficult. The exercise industry is a multi-billion dollar business, built partially on selling gadgets and supplements to people desperate to lose weight or look attractive. Meanwhile, good workout plans and simple truths lurk in the background waiting for their time to shine. All of this results in lots of misinformation about exercise. We're taking some of those commonly-held exercise myths to task, and we have science to back us up. Let's get started.
There are so many Windows apps out there, that picking a list of the very best, most must-install software for your desktop or laptop feels daunting. We've pored over pages of recommendations, countless forum posts, and lots of comments to come up with this year's Lifehacker Pack for Windows, a list of software champions across four categories: productivity, internet/communications, music/photos/video and utilities.