Hi! I have a late-2011 Macbook Pro running OS X 10.9.5 and I’ve noticed I can’t seem to open any apps made in Unity, from games bought through Steam to my own. The games I make, however, can be played on other Macbooks. I can’t tell if this has something to do with the version of my OS or the laptop itself or something entirely different. I’m able to create playable apps using Unity on my laptop but I can’t even open them without emailing them to a friend and borrowing their computer. I don’t know what to do! Does anyone have any idea what might be going wrong?
Based on the information you’ve given us, I’m going to speculate that every time you try to open one of these apps, a cat leaps onto your desk and knocks the mouse out of your hands.
On the off chance that isn’t why you can’t seem to open any such apps, perhaps you could give us more information. How are you trying to open them (e.g., double-click vs. right-click and “Open”), and what happens when you try?
I’ve been trying to open them every way I can think of—double-clicking, opening from Finder, etc. Sometimes the icon appears and bounces on the little dashboard at the bottom, but it quickly disappears. No error message or anything shows up. The app just won’t open or stay open.
Open the Console app and check your logs there. There will either be crash logs for the apps, or a more technical message in the system log. Sometimes even both.
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That does sound odd, in my experience when a unity app doesn’t open on Mac, or bounces around on the taskbar, that’s an indication that your Mac isn’t happy with the app’s store receipt (this gets saved locally when you download something from the app store)
For your own apps, you need to make sure that App Store Validation is unticked in your build settings (unless you’re prepping a build for store submission).
Your local cache of receipts for other apps can sometimes get screwed. If you’re having trouble with other apps, try uninstalling them and running Onyx to clear your cache, before reinstalling.
I’m not 100% sure how steam installs work, but I wouldn’t be surprised if a recent Mac update had broken them somehow. Apple don’t tend to care much for backwards compatibility!
All the above stuff is only relevant if it is a receipt issue though. The first step would be to check your system log for errors when opening unity apps.
Yeah, store validation errors will show up in Console unless something is very wrong with the OS installation. Incompatibility with 10.9 is more likely - it’s older than the recommended, and if you can run the next one you can also run the latest, so the recommendation is basically 10.12 now. 10.9 and older doesn’t get much testing from anybody these days.