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Since the MacTeX-2021 package does not support my old OS version I have manually installed TeX Live 2021 via the Unix installer as described on Unix Install of TeX Live 2021. The installation worked fine, but the second step that would configure TeX so TeX Live Utility and various GUI programs can find it fails, because the installer of TeXDist-2021 says "TeXDist-2021.pkg can't be installed because its digital signature is invalid". I have redownloaded that pkg several times and also tried mactex-texdist-20210226.pkg from CTAN with the same outcome. I'm pretty sure the signature is fine and it's my side that poses the problem, which is kinda corroborated by this. But that would also mean I can't really "fix" this signature problem I guess.

Right now TLU doesn't see/show the new version (neither in the prefpane nor in TLU itself). Is there maybe a way I could manually do what TeXDist-2021 would do?

Help is much appreciated!

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  • I have the same problem. Any help will be valuable. Thank you in advance.
    – Danny
    Jun 3, 2021 at 7:06
  • Have you tried to right click on the .pkg and then choose 'Open'?
    – Pieter van Oostrum
    Jun 3, 2021 at 10:25
  • Another way might be to go to System Preferences > Security & Privacy > General and select Allow apps downloaded from Anywhere. No idea if the works on Mojave, however.
    – Pieter van Oostrum
    Jun 3, 2021 at 10:34
  • I am running an older version to accommodate my OS. You can copy the links to servers hosting the older versions from here: tug.org/mactex/faq/3-4.html, for example: ftp.tug.org/historic/systems/mactex. I found the 2016 build to work well in my case (I have OSX 10.8).
    – Polyhat
    Jun 3, 2021 at 17:02

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There is a new section "If TeXDist-2021 Fails" in the page. https://tug.org/mactex/mactex-unix-download.html

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  • Thank you so much..that shell script worked!
    – Philip
    Aug 20, 2021 at 10:27

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