Crash Immediately after Launch on OSX

Development Platform & Builds
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1

I press “Launch” in UE4 Launcher and then a tabbed window pops up and immediately disappears.

I’m running on 10.9.2.

Video:

Logs:

2

The logs you attached are from the Launcher itself. Could you please attach ones from the editor? You should find them in ~/Library/Application Support/Epic/Engine/Saved/Logs.

Also, please take a look at this thread, maybe your issue is the same as one of reported there: https://answers.unrealengine.com/questions/12530/mac-os-1092-mavericks-launch-editor-u4.html

3

Thanks! The link you provided mentioned the issue.

I had a PS3 gamepad connected to my Mac via USB. Once I unplugged the gamepad and launched the editor it worked.

4

Thanks for info! And sorry for inconvenience. As I mentioned in the other thread, I’ll work on a fix tomorrow and will provide you a link to a patch as soon as it’s ready.

5

You can download a patch that should solve USB crash from http://cdn.unrealengine.com/qfe/QFE-FromCL-2027741-Shelve-2030404.zip. Zip file contains an installer that will update the engine. Please note that this is just a quick fix so you don’t have to wait for 4.0.2 release. As such, it’ll be removed if you use Verify Install option in the Launcher.