Either at this stage or when you attempt to open the app, you need to Right Click (on the dmg or App) and choose 'Open'. All available versions are downloadable from the same sight.įor the last year or two, Apple's Gatekeeper and other security enhancements mean that you download the dmg file, double click on it and move the App to Applications. I finally got OnyX 3.2.5 back again after a number of sites saying they had it, and giving me 3.2.7 instead! Whew! I'm happy again, it's doing permissions right are tagging on to a 7 year old thread, but nevertheless, I might mention one or two things for others reading and for you - although you seem to be sorted nowįirst off, as you discovered, OnyX is version-specific. I went to a site that said it had 3.2.5, downloaded and installed it, but when it came up it was 3.2.7 again. I want that back! Why would they do that? Were can I get version 3.2.5 again? I can't find the. One thing wrong though, in the Maintenance menu the Repair Permissions was not there! I have OnyX on my other Mac Mini, version 3.2.5, but this latest installation is version 3.2.7, which apparently they have taken Permissions repair out of, for some reason. This time it started right up, and the OnyX.dmg opened just fine and I installed it. The progress bar froze a bit before the end and just hung there, so I pulled the power cord out of the Mini, plugged it back in, and hit the button. I did a restart, and it would not come back up. So I'm stuck with a version of OnyX I cannot use, and a. I tried downloading it again and again, and it will not open. Okay, so go to Titanium Software's site, download the version for Sierra, and the dmg file will not open, at all.

I tried to run Onyx on it this morning and it said it would not run on this version of the OS, and I had to get the version of El Capitan. I'm having something of the same problem, on a late 2012 Mac Mini running Sierra10.12.5, 2.5 Ghz Intel Core i5, 8gb memory.

Onyx mac sierra