All your Mac’s old install CDs won’t work anymore because of this bug
When Apple’s Worldwide Developer Certificate expired in February it caused problems for some developers, but another major problem that’s going to affect more people has just surfaced: it breaks OS X installers. If you’ve created an OS X installation CD or downloaded an installer it won’t work anymore because it can’t be verified with Apple. To get it going again, you need to re-download the entire installer and create a new CD, which is an utter hassle. Tidbits reports that there’s a further complication here: if you’re using a newer Mac, you can’t download incompatible versions on that computer so you’ll…
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