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Uninstall iTunes completely and then reinstall a new copy

Starting over with a fresh copy of Apple's media-player software requires uninstalling several programs besides iTunes itself.

By October 18, 2013


Some new Macs unable to reinstall Mountain Lion

If you are having problems downloading Mountain Lion to your new Mac from the Mac App Store, you may not be alone.

By February 27, 2013


How to reinstall the Mac App Store in Snow Leopard

The Mac App Store program can be removed from Snow Leopard, but once updated past OS X 10.6.6, reinstalling it may require a little more than simply installing a combo update.

By May 16, 2012


How to reinstall OS X after malware infection

While instructions are available to remove the latest malware threats for OS X, some may choose to simply reinstall OS X and start from a clean slate.

By April 6, 2012


Reinstall Safari after applying 10.6.8 v1.1 updaters

If you updated Safari to version 5.1 and then applied the OS X 10.6.8 v1.1 update, you will need to redownload the latest version of Safari again.

By August 22, 2011


Wipe and reinstall your iPhone's OS for resale

Whether you're looking to sell your iPhone and you accidentally deleted the operating system, or you want to downgrade from iOS 4, Device Firmware Update mode will help you out. Getting into it is simple yet tricky, so here's guidance on a fast way to wipe and restore your iPhone.

By May 6, 2011


How to wipe and reinstall your iPhone OS

Whether you've got a PC or a Mac, getting your old iPhone ready for resale means securely wiping all your data. This handy video shows you how to do just that.

By December 3, 2010


Applications may break after reinstalling OS X

Sometimes a reinstall of the operating system is the easiest way to tackle multiple or nonsuperficial problems with computers, since doing this will refresh the underlying operating system software and hopefully clear any corruption and configurations that may be causing the issues. Apple has progressively made the process of reinstalling easier, to the point where now it is practically seamless to pop in the Snow Leopard installation DVD and run a reinstallation, then perform an auto-update and be right back where you were, maybe. In some instances, after performing reinstallations people may find certain applications will not work anymore.

By October 19, 2010


iTunes 10 unusable after install? Reinstall the right way

Occasionally, users may find that after installing the latest version of iTunes on their Mac an error message appears reporting that the copy of iTunes is unusable and must be reinstalled.

By September 22, 2010


Finding and reinstalling lost Apple-supplied applications in OS X

In OS X there are times when you may have deleted items from your Applications folder that were put there by the OS X installer.

By April 16, 2010