Follow the instructions located on the Upgrading to OS X Mountain Lion (10.8) support page Error 0 (Mac) The installer was unable to read the file _____.
For Blizzard games, it is important to download and install all software updates, as our games are designed for the latest version of the supported system requirements.
See Apple's OS X: Updating OS X and Mac App Store app page for Software Update instructions.
During technical troubleshooting, you may be required to reinstall an OS update or driver.
In order to reinstall drivers and files for the latest OS X build, you can download a Combo Update.
You can find the latest Combo Update for your operating system located on Apple's Support Download page.
When an older OS has no more incremental updates, you will need upgrade to a new OS to obtain newer drivers and updates.Newer Blizzard titles require a recent version of OS X to run properly.Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.The instructions below will help you check and update your drivers.Experienced users can download and install the latest motherboard chipset drivers to help resolve rare issues caused by outdated motherboard chipset drivers.Although it is out of the Scope of Technical Support for Blizzard to assist, you can search on your own for a program that will tell you what type of motherboard you have, then visit the manufacturer’s website for the update.