[MacTUG] Previously Downloaded OS X Installers No Longer Work

[Donald Duff-McCracken]

Thanks for that tip marlon

I do not have a computer to test this on (to see if the expired cert will give me grief, but I have downloaded new copies of El Cap, Yosemite, Mt Lion & Lion for my local archive, just in case!


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Donald Duff-McCracken 
Technical Services Manager
Mapping, Analysis & Design
Faculty of Environment
University of Waterloo
(519) 888-4567 x32151
https://uwaterloo.ca/environment-computing/about/people
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On 2016-03-04, 9:33 AM, "mactug-bounces at lists.uwaterloo.ca on behalf of Marlon A. Griffith" <mactug-bounces at lists.uwaterloo.ca on behalf of m3griffi at uwaterloo.ca> wrote:

>"""
>"A certificate is required for every app in the Mac App Store and it
>turns out that all of the various OS X installers had a certificate that
>expired in February 2016. Pretty much every app affected by this has
>already been updated already so if you download something now, it won’t
>have any issues. However, if you’re like me and like to keep a bootable
>install disk or USB drive around for troubleshooting, you’ll need to
>download the installer again and remake your USB drive." lifehacker
>
>Happily, this is an easy problem to fix ahead of time:
>
>     Delete any old OS X installers in the Applications folder or in
>other locations (be sure to look on external hard drives too; if the App
>Store detects an old installer, it won’t let you get a new one). These
>installers have names like Install OS X El Capitan and Install OS X
>Yosemite.
>
>     Open the App Store app by choosing Apple menu > App Store.
>
>     Click the Purchased tab. Enter your App Store password if prompted.
>
>     Scroll down to the OS X installer you want and click Download.
>
>http://tidbits.com/article/16302
>"""
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