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Fix “App is Damaged Can’t Be Opened” Error Messages in Mac OS X

Nov 12, 2015 - 20 Comments
App damaged error message fix

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 OS X, a message stating “ is damaged and can’t be opened. Delete and download it again from the App Store.” Another variation is a pop-up window appearing … Read More

How to Hide OS X El Capitan from Mac App Store

Oct 2, 2015 - 40 Comments
The OS X El Capitan Installer

Not all Mac users want to update to OS X El Capitan, and if you’re in the group who wants to stay put with OS X Mavericks, Yosemite*, Mountain Lion, or even Snow Leopard on their Mac, that’s perfectly OK*, you probably have a reason to stay with the earlier Mac OS X releases. But, … Read More

Fix Frozen App Store Updates and High softwareupdated CPU in OS X

Jul 1, 2015 - 109 Comments
Stuck App Store frozen Updates tab

Some users who are trying to install OS X Yosemite 10.10.4 or iTunes 12.2 have discovered the Mac App Store will freeze, with an endless spinning wait cursor and the updates never showing up. Investigating further reveals that a process called ‘softwareupdated’ simultaneously goes haywire and consumes 99% CPU for an indeterminate amount of time … Read More

Can’t Open a Specific File in OS X? Search the Mac App Store Quickly to Find an App That Can

Feb 25, 2015 - 1 Comment
Find apps to open unknown files in Mac App Store of OS X

If you’ve ever come across a file that you can’t open on your Mac, or perhaps that doesn’t open as you may expect it to in a particular OS X app, maybe rendering poorly or like a bunch of gibberish after forcing it, this quick trick can help find a more appropriate application to open … Read More

How to Re-Download OS X Mavericks Installer from the OS X Yosemite App Store

Dec 30, 2014 - 33 Comments
App Store

In some specific situations, Mac users running OS X Yosemite may wish to re-download the complete installer application of a prior operating system like OS X Mavericks. This is typically something only advanced users would want to do, perhaps for making a bootable installer for the older OS X version, for upgrading a different Mac, … Read More

Don’t Want to Update your Mac to OS X Yosemite? Hide the Update from the App Store

Nov 23, 2014 - 59 Comments
Hide OS X Yosemite installer from App Store

While many Mac users have updated to OS X Yosemite, a notable amount have chosen to stay on OS X Mavericks or Mountain Lion for a variety of reasons, and some have even had to downgrade due to frustrations or incompatibilities that were experienced with the new version of OS X. Whatever the reason, if … Read More

Fixing App Store “Could Not Complete Purchase : Unknown Error” Messages

Aug 13, 2014 - 6 Comments
iTunes Terms And Conditions

Typically you can download anything from the Mac App Store without incident, that’s the way things are supposed to work. Sometimes things aren’t so hunky-dory, and one of the more peculiar errors from the App Store is the incredibly vague “We could not complete your purchase – Unknown Error” message.

How to Re-Download OS X Mountain Lion Installer from OS X Mavericks

Feb 24, 2014 - 15 Comments
Downloading older version of OS X from the Mac App Store

Though it is generally recommended for users to keep their Macs up to date with the latest system software, not everyone wants to run OS X Mavericks on all of their Macs, and in some situations older Macs may not support the latest version of OS X anyway. Additionally, there are circumstances where users looking … Read More

Re-Download OS X Mavericks Installer from the App Store of OS X 10.9

Nov 1, 2013 - 13 Comments

Already installed OS X Mavericks, but now you want to create an install drive for other computers? Or maybe the Mavericks installer became corrupt during the process? Whatever the situation, you can easily re-download OS X Mavericks from the Mac App Store.

List All Apps Downloaded from the Mac App Store via Command Line

Sep 28, 2013 - Leave a Comment
List Mac App Store apps from the Terminal

A handy terminal command will show a list of all apps installed on a Mac that have come exclusively from the Mac App Store. This can be helpful for a variety of reasons, like when building a list of apps you may want to replace from outside the official App Store channels if you’re migrating … Read More

Hide Software Updates from the App Store in Mac OS X

Sep 27, 2012 - 13 Comments

Ignoring specific software updates is a bit different now in modern versions of OS X now that updates are handled by the Mac App Store. From OS X Yosemite, Mavericks, Mountain Lion and onward, if you don’t want to install an update you will need to hide it from being visible within the Updates tab … Read More

Stop OS X from Automatically Downloading App and OS X Updates

Jul 31, 2012 - 4 Comments
Stop automatic app downloads and updates in OS X Mountain Lion

OS X has a handful of features that are dependent on a constant internet connection, and one of those is the new automatic update feature. Undeniably convenient, OS X and all apps installed from the Mac App Store will automatically download and update themselves, but if you have metered internet or are using Personal Hotspot … Read More

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