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Update fails on Mac with "Error Install Failed"

Starting the launcher now "Updates" then "Update fails with "Error Install Failed" now launcher crashes on start.

I downloaded a fresh Mac OSX copy same deal. Update "fails" "Error: Install Failed".

1) Is "Install Failed" really an acceptable error strategy?

2) I appreciate the extensiveness of the tool set for $20 a month, but really if you are going to charge people money the updates can't just make the application so unworkable it fails to start.

Product Version: Not Selected
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asked Apr 01 '14 at 12:54 AM in Installation & Setup

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avatar image Carlos Cuello STAFF Apr 01 '14 at 01:52 AM

Hi gwoodruf,

Can you post your logs from here:


If possible, zip up the entire folder, sometime's it's helpful to have a history. Apologies for the inconvenience.


avatar image gwoodruf Apr 01 '14 at 03:53 AM

Logs Posted

avatar image gwoodruf Apr 01 '14 at 03:53 AM

link text


logs.zip (51.6 kB)
avatar image leighswift STAFF Apr 14 '14 at 09:06 AM

Hi, Sorry this post fell off the radar! Are you still having problems? From the looks of the log file, the installation of the update is unable to copy new files downloaded into the app package. Could you check your user's permissions?

avatar image gwoodruf Jun 26 '14 at 05:32 PM

Yes. Still a problem. After any "update" the unreal app will no longer launch. I've been downloading fresh a copy every time, but the update still fails. I'm not sure what you mean my User's permissions. I didn't do anything strange with them. Just downloaded and run the app. Update. Then won't start.

avatar image leighswift STAFF Jul 11 '14 at 01:12 PM

Sorry, I was wondering if maybe the .app under /Applications did not have permissions to write new files to itself under your user name but I seem to be unable to reproduce your problem with that setup. Could be worth checking out though.

If you navigate to /Applications in Finder, you'll see the Unreal Engine app listed. If you select that and then click the File->Get Info menu, you should see the Sharing & Permissions section at the bottom, and there should be your user listed with "(me)" next to it. The privilege should be set to Read & Write

avatar image Stephen Ellis ♦♦ STAFF Jul 30 '14 at 09:22 PM


We have not heard from you in a while again. Please let us know if you have any new information to provide after checking what Swifty mentioned. Until we hear back from you, I am once again marking this as Resolved for tracking purposes.


avatar image Peude Jul 31 '14 at 09:50 AM

I suggest more better to clean-up or remove total the UE 4 from OSX and installed new one. And try this software. Clean App 4.

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1 answer: sort voted first

This problem has been resolved by an update.

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answered Jul 31 '14 at 03:44 AM

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We have not heard back from you in a while, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you.

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answered Jun 26 '14 at 03:16 PM

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Stephen Ellis ♦♦ STAFF
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