[OS X TeX] TeXShop cannot be opened

Murray Eisenberg murrayeisenberg at gmail.com
Fri Jul 21 23:03:34 CEST 2017

My colleague indeed fixed his problem with TeXShop by removing the very old version of the app, removing the very old ~/Library/TeXshop folder, and reinstalling TeXShop.

> On Jul 18, 2017, at 2:53 PM, Richard M. Koch <koch at uoregon.edu> wrote:
> a) Try downloading a copy from my web site:
> 	http://pages.uoregon.edu/koch/texshop/texshop.html <http://pages.uoregon.edu/koch/texshop/texshop.html>
> b) When TeXShop first runs, it creates a folder named TeXShop in ~/Library, the user's home library folder, ofren hidden.
> Sometimes this folder has incorrect permissions that don't let this folder be created. Correct the permissions
> c) Ignoring your statement that this Mac is new, if this user moved material from an older machine, they might have
> moved an older version of TeXShop. In that case, search for and remove all older versions.
> Incidentally, within the last year I bought.a new machine and did NOT run into this problem. So look for anything
> unusual, like the software insralled before MacTeX.
> Dick Koch
>> On Jul 18, 2017, at 11:28 AM, Murray Eisenberg <murrayeisenberg at gmail.com <mailto:murrayeisenberg at gmail.com>> wrote:
>> I’m asking this for a colleague who just downloaded MacTeX-2017 to a brand new Mac that is running macOS Sierra (10.12.5).
>> He writes:
>>  "I successfully downloaded the MacTeX.pkg, the md5 command verified that the MacTeX.pkg  was undamaged. Unfortunately, when I tried to launch the program I rec’d  the error message: 'TeXShop  cannot be opened because of a problem. Check with the developer to make sure TeXShop works with this version of macOS’.”
>> Any idea what could be wrong?

Murray Eisenberg			murrayeisenberg at gmail.com
503 King Farm Blvd #101	Home (240)-246-7240
Rockville, MD 20850-6667	Mobile (413)-427-5334

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