Problems when I want to update my complete system Mavericks using a USB key with the installation program.

I want to "Refresh" my Mavericks home cleaning system and I still have a USB key with the complete installation program.

With this USB key, I installed successfully already before Mavericks. Now, I want to repeat the installation by booting from USB key. But when the installation starts early an alert appears, said something like "... the verification failed - something is changed on the volume...". "and the cant of the installation continues.

I've archived the original "OS X Mavericks installieren.app" from the app store and I have properly prepared another USB key using the terminal app, referencing the original installer, but I still get this alert when I try to install with this new USB.

It is necessary for me to work with the Mavericks, because it's the latest version of the system on which I can run Adobe Creative Suite CS6 correctly. With the later versions of OS X, I get problems on my Mac Pro (end of 2008).

I wonder what could happen with my first USB data, as I have already installed Mavericks successfully with it under the same conditions and after that he never touched the stick again so far. What can I do? What is the reason for this? Y at - there a site where I can get help or advice to solve the problem or if necessary can I re-download an Installer 'fresh '?

Thank you and what is Berlin

You can make a bootable USB to install using this free program that will do all the work for you. Try running disk utility/repair disk be before installation.

Bootable USB Flash Drive-Diskmaker X

Tags: Mac OS & System Software

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