Some Mac users have discovered they are unable to open some applications downloaded from the Mac App Store. When attempting to open an impacted app in Mac OS, a message stating “Name.app is damaged and can’t be opened. Delete Name.app and download it again from the App Store.” Another variation is a pop-up window appearing asking a user to “Sign in to use this application on this computer” requesting an Apple ID and password.

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Taking screen shots of the login screen on a Mac is possible, and you can do so at either the OS X system boot, any login window, or at a locked user authentication screen. How a screenshot of the Mac login screen is accomplished will depend on what version of OS X the Mac is running however.

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Quitting and force quitting apps in iOS 10 and iOS 9 is easy, whether you’re on an iPhone, iPad, or iPod touch. Though the multitasking screen may look different in modern iOS versions than it did before, the basic mechanism of forcibly quitting apps remains the same as prior versions of iOS.

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Apple Pay is undeniably convenient, allowing you to make quick and secure purchases right from your iOS devices. So, you setup Apple Pay on your iPhone and on the Apple Watch and now you want to put it to use, right?

While many popular stores are known to support Apple Pay, there is no reason to be stuck wondering if a particular location, store, or shop supports Apple Pay purchases, because you can actually check for Apple Pay compatibility at most retail locations by using the Maps application.

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Apple has released the third beta version of iOS 9.2 to users participating in the Public Beta and Developer Beta testing programs, alongside tvOS 9.1 beta 2. The new iOS 9.2 release arrives as 13C71 and continues to support iPhone, iPad, and iPod touch, while tvOS 9.1 beta 2 shows as build 13U5069b.

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Apple has released OS X El Capitan 10.11.2 Beta 3 for Mac users enrolled in the developer beta and public beta testing programs.

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Apple has started running the first TV advertisement for the new iPad Pro, featuring a user of the large screen iPad manipulate a space scene in Sky Guide, then using ProCreate to sketch on other galactic imagery via the Split View feature and an Apple Pencil.

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If you use Google Chrome as your default web browser and find yourself with a ton of tabs and windows open on a regular basis, you likely know the RAM, swap, and resource burden that leaving a gazillion tabs open does to your computer. Rather than forcibly quitting Chrome or abandoning your browser tabs, the latest versions of the Chrome browser support an optional “discarding” feature that will automatically discard background tabs as the application begins to run low on available memory.

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Apple has released the first update to the new Apple TV, versioned as tvOS 9.0.1. The update likely focuses on bug fixes, though specific changes aren’t yet known as release notes have not accompanied the download.

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If you have ever wanted to play a movie, video, or multiple videos as a screen saver on a Mac, then SaveHollywood is the screensaver for you. The free download allows for playing just about any locally stored video file format as the Mac OS X screen saver, with many options for customization.

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Adding pictures and photos to your iPhone contacts is a nice way to improve the iOS experience for phone calls and messaging, as it helps to quickly identify people in conversations and when reaching out.

Assigning pictures to contacts is quick and easy, and the trick is the same whether on iPhone, iPad, or iPod touch, and regardless of iOS version. Assuming you use iCloud to sync the contacts, the custom contact pictures will automatically transfer over to any shared device or Mac as well.

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Another Mac setup is here! This time we’re featuring the beautifully minimalistic setup of Jimmy S., a CTO and system developer. Let’s jump in to learn a bit more:

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Apple Watch supports Apple Pay, which basically lets you use your watch as a super-fast payment mechanism in a variety of stores, ranging from Whole Foods to Starbucks, with many more coming onboard. Just like Apple Pay on the iPhone, the payments are processed and handled by a credit card or debit card, and thus you’ll need to set up the Apple Watch to use Apple Pay before you’ll be able to make quick payments with the device.

Once you have Apple Pay setup on the Apple Watch, you’ll be able to make payments and purchases remarkably quickly with basically just a quick swipe of your wrist.

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The latest versions of Photos app for Mac allow users to add geographic location data to any pictures stored within the image browser. This can be helpful for organizing photos, sharing with others where a picture was taken, and for later recollection purposes too. Additionally, you can edit the location of pictures as well, so if a photo was incorrectly assigned a location, you can change that in the OS X Photos app.

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Gatekeeper is a security feature built into Mac OS X which helps to prevent unauthorized applications and code from executing on a Mac. Most users have encountered Gatekeeper before when they go to open an application downloaded from the internet, where you see an “App can’t be opened because it is from an unidentified developer” error message. Because Gatekeeper is a worthwhile security feature, almost all Mac users should leave it enabled, but some advanced OS X users, developers, and systems administrators may need to disable Gatekeeper. While you can do that, users will find that Gatekeeper re-enables itself after a 30 day period has lapsed, basically meaning that Gatekeeper will turn itself back on even if it has been turned off.

This is a security feature called ‘Auto Rearm’ and it’s a new addition to Gatekeeper in MacOS Sierra, OS X El Capitan and Yosemite, but with a little effort the auto-enable feature can be disabled too.

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Advanced Mac users who need frequent access to a files complete path in macOS and Mac OS X may find themselves turning to the drag & drop Terminal trick or performing a variety of other tricks to copy an items path, but with Mac OS X 10.11 and later, there’s a new native Copy Pathname option built directly into the Finder. Just as it sounds, it will copy the complete pathname of a file or folder directly to the clipboard.

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Notification Center on iPhone and iPad includes an optional widget that allows users to check the battery life of other devices connected through Bluetooth. Essentially this means you can quickly see what the remaining battery percentage of not just the device in hand, but also of an Apple Watch from an iPhone, or keyboard battery life from an iPad, all without having to access the device itself.

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The Disk Utility app has long contained the ability to verify and repair disk permissions on a Mac, but in the latest versions of OS X this ability has been removed. That doesn’t mean you can’t verify permissions and repair permissions in OS X El Capitan 10.11 and later however, you just need to turn to the command line to do so.

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