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How can I fix my UE4 stuck in initializing 18%?

How can I fix my UE4 stuck in initializing 18% Im using the version 4.20.1

Product Version: UE 4.20
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asked Oct 09 '18 at 05:22 PM in Using UE4

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Spacebar2003
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4 answers: sort voted first

Unreal engine likes to recompile shaders often, specially when changing the Engine version, adding a new shader-related plugin or just changing the shader targets for packaging on the project settings, in case of Mac OS, it also varies on the Metal version you use as a target (also defined on the project settings)

But let's go down to the point: At 18%, Unreal Engine checks for uncompiled shader systems, if so, it will retarget all shaders, in order to prevent future errors, and this process may take a while, so it will look like it's stuck, but it's actually retargeting shaders, just leave it some time, maybe 1 or 2 hours (as maximum) for a very big project.

Even so, if the problem still continues after leaving the editor at 18% for a long time, consider replying.

If succeeded, please let me know too.

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answered Nov 30 '18 at 05:57 PM

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Sejja
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avatar image Chin Chee Kin Dec 01 '18 at 06:27 PM

will this problem occurred even a totally new installation?

avatar image Zyaxsor Dec 17 '18 at 02:35 PM

i have the same problem my mac is fully up to date and im using the latest version of the engine, another question i have though is, will the problem persist after opening it this time (first time launching the application) cause i dont want to wait an this long everytime i launch the editor?

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I had the same problem in a totally new installation, without any project. I just wanted to start one and it got stuck at 18%. I gave it few (10-15) minutes more and went up to 45% and got stuck again. Then after 1 or 2 minutes, it started working and asking questions, finishing the installation. I use a macbook pro. It's an old one, from 2012. So I guess I will stop using it because I'm afraid it will fry it's graphic card, as happened with other programs to my previous macbook. I will have to invest in a desktop computer to play with this.

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answered Dec 28 '18 at 07:39 PM

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PailarOfEternity
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What OS are you using? Blueprints, C++ or both?

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answered Nov 11 '18 at 06:15 PM

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Sejja
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I have the same problem in version 4.21.

I'm using Mac OS version 10.14

After Installation of Unreal Engine, Launch and it just stuck at 18%.

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answered Nov 29 '18 at 07:57 PM

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Chin Chee Kin
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