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"The software could not be verified. It may have been corrupted or tampered with during downloading."

Not off to a great start here... Anybody else having this problem?

[edit: deleted it; downloaded it again from my employers network (completely different ISP just in case a particular CDN had a bad copy. Same problem! Starting to think there's a bug in the installer or something...]



I'm having the same issue so came here to search.

Downloaded it twice and get the exact same error. Deleted and removed from trash the first time.

Edit Reboot your machine. That worked for me. I can now install fine with the same 'corrupt' file I had before.


I found an Apple Support thread where some others are reporting the same issue: https://discussions.apple.com/message/15660833#15660833

I posted my md5's of the internal .dmg's from the download there. They're different from the two unsuccessful downloads but I suspect that's just App Store watermarking because they differ in so many places. Maybe someone here on HN knows the real story though.


Nope, no watermarking. My third download worked and I got an InstallESD.dmg md5 of b5d3753c62bfb69866e94dca9336a44a. Googling for that it seems to match what the torrent sites are serving up for the Gold Master build.

It's odd that I had two failed downloads in a row... Either an app store bug or this MBP is maybe having memory issues or something. It's odd because I haven't had any issues like that before, and I tax it quite a bit.

Or maybe this was just Apple's way of making me rationalize a MacBook Air purchase :-)


Reboot didn't help for me, unfortunately. Still failed out with the same error after a minute or so.




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