Thomas Koons received what we hope is the "final answer" on the question as to why Apple recommends erasing your drive if you want to reinstall Mac OS X 10.1 after installing the Security Update (see ...

It sounds like you might need to create an installation CD somehow. I don't know how you would do that on the PC.

I have a problem that Apple Support seems to be having trouble fixing for me. I have a Mac Mini that shipped with OS X Server (10.9) that I recently wiped and reinstalled. 10.9 reinstalled and updated ...