@kdfrawg For grins and giggles….as some have actually had success at this….check the app store and see if Sierra is an option for you.

Just curious.

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@kdfrawg I'm sure there are a ton around. The tricky part is not finding one someone grabbed from a torrent.

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No. It was part of the verification step before the installer opened. Failed after taking a bit too long to complete. I doubt the time limitation has been exceeded as the Mountain Lion installer still works.

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Cool! I'll still put a dropbox link up for anyone else who needs it. Assuming I get a good one next time around. I've a feeling this one was just a garbled download.

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He's testing it on his end later today. It should be an official installer as they handle servicing Macs for a university. If it isn't, someone's head is going on a chopping block I suspect.

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@kdfrawg Yep.

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screen shot 2017-09-29 at 10.38.27 am

No Bueno. Corrupted download or someone has diddled with it. Signing key problem.

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Cross your fingers…

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screen shot 2017-09-29 at 10.28.32 am

I have an ISO slowly trickling in from a source I trust. (Computer repair company in Pennsylvania) I'll give it a whirl this evening on a Mountain Lion VM I should still have lying around to make sure it works.

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To me, a red exclamation point in a email header view is emoji that stands for (Goes in junk mail folder)