Epic Games Launcher version 19.0.0 does not start on Core 2 Duo CPUs due to lack of SSE4.2 support.

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I just got this response to my support ticket…

I checked our records and can confirm that the team’s already investigating this problem. The information found on the log files you have provided will be a great help in their investigation. For now, I suggest keeping an eye out on our status channels, such as our status page here, to stay updated on any news regarding identified issues in our services.

My sincere apologies for any inconvenience this have caused, and in the meantime, feel free to reach out again if you have other concerns and we’ll do our best to assist you.

Kind Regards,

Epic Games Support

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Hope springs eternal.. i got the same message.. there is nothing left but to wait..

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Veramente uno schifo, anch’io lo stesso messaggioMa nessuno è riuscito a fixare il problema?

hello all

same problem here, with launcher 19.0 i cant do nothing for 14 Days.

i have AMD Phenom II X6 1100T and i have only SSE4A and not SSE4.2

I install after many problems launcher 18.8.1 and all is good in moment.

i lost any installed games, but ok now is this so

Hope we becom quickly an better update from support.

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Hey, how did you manage to block the launcher from updating? I have an older version of the installer, and I tried with the hosts file entry a user above suggested, but it doesn’t seem to stop updating of the launcher.

Can you tell me what you did to get the older launcher running?

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I have not tried the downgrade yet but you could download v.18 from the official source I posted here: Epic Games Launcher version 19.0.0 does not start on Core 2 Duo CPUs due to lack of SSE4.2 support. - #19 by floyd_eg

After that, unplug the network cable or disable wifi, install and run the launcher. Then go to settings and disable autoupdate. Finally connect again to the network.

I thought I was going nuts. No pop up message saying “Your CPU is too old for the launcher, but the games are fine.” No log file that I could find that indicated an issue. Just 19.0.0.0 version of launcher starting and nothing… No events in the event viewer. Starting as admin and nothing… Uninstalled, reinstalled, starting… and nothing…

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Same, but I finally got it working with the steps from the video linked in this post Epic Games Launcher version 19.0.0 does not start on Core 2 Duo CPUs due to lack of SSE4.2 support. - #21 by Knowdlord1

The trick for me seemed to be to go and get the version recommended in the video (18.10.0), not the slightly newer version linked to 2 posts above that (18.12.1).

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Even that 18.10.0 version did not work for me. As soon as the launcher starts, it knows there is an update and tries to contact the update server. With the network blocked, it gets stuck trying to download and verify the update. It won’t bypass or give up.

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that’s right, but after letting it update itself the launcher works great on my c2d e7200.

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Even that 18.10.0 version did not work for me. As soon as the launcher starts, it knows there is an update and tries to contact the update server. With the network blocked, it gets stuck trying to download and verify the update. It won’t bypass or give up.

Yes, I worried about that too, but it doesn’t update to 19.0. Did you let it finish? I was surprised when it suddenly started up and worked when I did it, instead of being the 19.0 series again.

that’s right, but after letting it update itself the launcher works great on my c2d e7200.

See, this guy tried it and didn’t kill it before it “updated”.

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That did work. I also disabled the update service. Of course it sees 19.0.3 but it shouldn’t update automagically.

Any idea if this SSE4.2 requirement is permanent?

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What version do you get installed after that automatic update on the e7200? Are you using Windows 10 or 7?

Ok I tried it myself, when you use the 18.10.0 installer it auto-updates to 18.12.2

Be careful in “settings” because there is a button that says “restart and update”. If you click on it will install 19.0.3 (that still requires SSE4.2, they have not fixed anything in the last 3 versions).

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Epic silently changed the system requirements without notice, so this will never be solved. This must be the worst gaming company ever, pure cancer.

Processor: Intel Core i3 / AMD FX

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I hope to whoever will read this theyll fix this ■■■■, cause it`s just strange to put limits on the launcher itself

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Hi, thank you all for trying out a solution and post the steps here. Unfortunately, it doesn’t work for me. I just sent a ticket to support, hope that if they have several tickets about the same issue we’ll have an official solution soon. There is an other workaround, that helped me in the past with my phenom ii X6 CPU, which is using the SDE Intel emulator. I just tried but couldn’t make it work, maybe I’m doing something wrong, but some else could give it a look.