# \#launcher-not-startin **URL:** https://forums.unrealengine.com/tag/launcher-not-startin/7567.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Epic Games Launcher version 19.0.0 does not start on Core 2 Duo CPUs due to lack of SSE4.2 support.](https://forums.unrealengine.com/t/epic-games-launcher-version-19-0-0-does-not-start-on-core-2-duo-cpus-due-to-lack-of-sse4-2-support/2672526)
**Author:** [@floyd\_eg](https://forums.unrealengine.com/u/floyd_eg)\ **Replies:** 60\ **Last updated:** [November 6, 2026, 11:30pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-version-19-0-0-does-not-start-on-core-2-duo-cpus-due-to-lack-of-sse4-2-support/2672526 "2026-11-06T23:30:13Z")
Launcher version 19.0.0 requires SSE4.2, which is not supported by Core 2 Duo processors, currently listed as minimum compatible requirements: https://www.epicgames.com/help/en-US/epic-games-store-c-202300000001639/laun… --- ## [\[REQUEST\] Official v18 custom installer that does not auto update to v19](https://forums.unrealengine.com/t/request-official-v18-custom-installer-that-does-not-auto-update-to-v19/2680521)
**Author:** [@floyd\_eg](https://forums.unrealengine.com/u/floyd_eg)\ **Replies:** 2\ **Last updated:** [February 12, 2026, 10:24am UTC](https://forums.unrealengine.com/t/request-official-v18-custom-installer-that-does-not-auto-update-to-v19/2680521 "2026-02-12T10:24:48Z")
Epic Games silently modified the minimum system requirements for the launcher without notice and just after this issue was reported, so the bug published on that thread will never be solved. The new minimum system requi… --- ## [Epic Launcher Keep Crashing 32/64bit](https://forums.unrealengine.com/t/epic-launcher-keep-crashing-32-64bit/480604)
**Author:** [@SaOk](https://forums.unrealengine.com/u/SaOk)\ **Replies:** 6\ **Last updated:** [May 29, 2021, 6:01pm UTC](https://forums.unrealengine.com/t/epic-launcher-keep-crashing-32-64bit/480604 "2021-05-29T18:01:11Z")
Around 6months the launcher been crashing instantly when it logs in. Sometimes reinstalling help and it might work few days but then again crashing everytime in both 32bit and 64bit binary. Ryzen 3850X, Win10 64Bit, RTX2… --- ## [Epic games launcher stuck on preparing update (Mac)](https://forums.unrealengine.com/t/epic-games-launcher-stuck-on-preparing-update-mac/482673)
**Author:** [@anonymous\_user\_83441030](https://forums.unrealengine.com/u/anonymous_user_83441030)\ **Replies:** 3\ **Last updated:** [May 25, 2021, 11:33am UTC](https://forums.unrealengine.com/t/epic-games-launcher-stuck-on-preparing-update-mac/482673 "2021-05-25T11:33:49Z")
MacOS Mojave 10.14.6 Every time I try to open the Epic Games Launcher, it never gets past “please wait while we prepare your update”. This has been driving me nuts for forever, because all I want is to make a stupid ner… --- ## [Why would uninstalling the launcher uninstall all the downloaded engines on my machine?](https://forums.unrealengine.com/t/why-would-uninstalling-the-launcher-uninstall-all-the-downloaded-engines-on-my-machine/313863)
**Author:** [@AlexBone3D](https://forums.unrealengine.com/u/AlexBone3D)\ **Replies:** 9\ **Last updated:** [April 6, 2021, 8:21pm UTC](https://forums.unrealengine.com/t/why-would-uninstalling-the-launcher-uninstall-all-the-downloaded-engines-on-my-machine/313863 "2021-04-06T20:21:19Z")
My launcher crashed non stop upon spending a day and a half downloading the engine versions I need so I decided to re-install the launcher. Well lo and behold despite the prompts saying the launcher would be removed it … --- ## [Launcherが使用する接続先の確認](https://forums.unrealengine.com/t/launcher/475299)
**Author:** [@anonymous\_user\_313af0ab](https://forums.unrealengine.com/u/anonymous_user_313af0ab)\ **Replies:** 0\ **Last updated:** [December 2, 2020, 12:31pm UTC](https://forums.unrealengine.com/t/launcher/475299 "2020-12-02T12:31:23Z")
Launcherが接続エラーが発生しインストールおよびアップデートができません。 どこかのWebサイトでLauncherはプロキシサーバー経由ではインストールできない という情報を得たのですが、弊社ではプロキシを使用しております。 Launcherが使用するURLが分かれば除外設定を行いたいのですが、Launcherの接続先情報を教えてはいただけないでしょうか。 --- ## [Lauchner does not start update](https://forums.unrealengine.com/t/lauchner-does-not-start-update/464230)
**Author:** [@GeneralSnake82](https://forums.unrealengine.com/u/GeneralSnake82)\ **Replies:** 0\ **Last updated:** [April 25, 2020, 12:06pm UTC](https://forums.unrealengine.com/t/lauchner-does-not-start-update/464230 "2020-04-25T12:06:46Z")
Hello I’m new to the matter, I downloaded and installed the launcher. I have switched off my firewall. I have released various ports in Windows, but the launcher does not go beyond what is shown in the picture. My Eng… --- ## [UE 4.24.1 wont open](https://forums.unrealengine.com/t/ue-4-24-1-wont-open/459747)
**Author:** [@anonymous\_user\_1cdf51af](https://forums.unrealengine.com/u/anonymous_user_1cdf51af)\ **Replies:** 0\ **Last updated:** [December 20, 2019, 2:23pm UTC](https://forums.unrealengine.com/t/ue-4-24-1-wont-open/459747 "2019-12-20T14:23:38Z")
Hi, I have installed 4.24 on my work machine but It wont launch. After pressing the launch button, the UE4 task starts to run in the background but the editor never opens. after a few seconds, I get the option to launch … --- ## [Epic Game Launcher does not launch](https://forums.unrealengine.com/t/epic-game-launcher-does-not-launch/432118)
**Author:** [@BraveStormx](https://forums.unrealengine.com/u/BraveStormx)\ **Replies:** 2\ **Last updated:** [January 15, 2019, 8:38pm UTC](https://forums.unrealengine.com/t/epic-game-launcher-does-not-launch/432118 "2019-01-15T20:38:28Z")
I’m download epic game launcher in my laptop that is acer aspire 3 and its processor is N4000… installation goes fine but after I click the launcher it does not launch… there is no error when I clicked it but only spin s… --- ## [Epic game launcher don't launch in mac os x 10.9.5](https://forums.unrealengine.com/t/epic-game-launcher-dont-launch-in-mac-os-x-10-9-5/360499)
**Author:** [@davebrohl1991](https://forums.unrealengine.com/u/davebrohl1991)\ **Replies:** 3\ **Last updated:** [December 17, 2018, 10:48pm UTC](https://forums.unrealengine.com/t/epic-game-launcher-dont-launch-in-mac-os-x-10-9-5/360499 "2018-12-17T22:48:24Z")
Hi everyone, I just download the latest epic games launcher to install unreal 4 but I can’t. The application notices me that I need os x 10.10.5 or higher to do that. What can I do to solve that ? Thanks in advance ! … --- ## [Epic Games Launcher Doesn't Launch Anything](https://forums.unrealengine.com/t/epic-games-launcher-doesnt-launch-anything/431462)
**Author:** [@Sundir24](https://forums.unrealengine.com/u/Sundir24)\ **Replies:** 0\ **Last updated:** [August 11, 2018, 9:11pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-doesnt-launch-anything/431462 "2018-08-11T21:11:59Z")
Here is part of the launcher log: Log file open, 08/11/18 15:10:46 AppSettings: Version: 7.14.2-4268019+++Portal+Dev-Main-Staging AppSettings: CommandLine: “C:\\Program Files (x86)\\Epic Games\\Launcher\\Portal\\Binaries\\W… --- ## [\[SOLVED!\] How do you fix the Epic Games Launcher chrome\_elf.dll Error?](https://forums.unrealengine.com/t/solved-how-do-you-fix-the-epic-games-launcher-chrome-elf-dll-error/428656)
**Author:** [@anonymous\_user\_c6e0c8471](https://forums.unrealengine.com/u/anonymous_user_c6e0c8471)\ **Replies:** 1\ **Last updated:** [July 5, 2018, 4:02am UTC](https://forums.unrealengine.com/t/solved-how-do-you-fix-the-epic-games-launcher-chrome-elf-dll-error/428656 "2018-07-05T04:02:41Z")
I double click the Epic Games Launcher: I get this Error: Then when I press OK I get this: How do I fix it so I can Launch Epic Games? --- ## [Epic Games Launcher doesn't work!?!?!?](https://forums.unrealengine.com/t/epic-games-launcher-doesnt-work/424817)
**Author:** [@SgtTravelerYT](https://forums.unrealengine.com/u/SgtTravelerYT)\ **Replies:** 1\ **Last updated:** [May 11, 2018, 2:07am UTC](https://forums.unrealengine.com/t/epic-games-launcher-doesnt-work/424817 "2018-05-11T02:07:04Z")
I downloaded my Epic games Launcher and for some reason it wouldnt open… tried running it as administrator… tried downloading and deleting a few times… tried stuff from youtube… it even had no errors when it was download… --- ## [Epic Games launcher won't open](https://forums.unrealengine.com/t/epic-games-launcher-wont-open/421153)
**Author:** [@CrazeFusion](https://forums.unrealengine.com/u/CrazeFusion)\ **Replies:** 1\ **Last updated:** [March 29, 2018, 12:46pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-wont-open/421153 "2018-03-29T12:46:39Z")
Epic games launcher won’t open. It’ll only open when I re download it and it needs to download an update. I’ve tried almost everything, from re-downloading it to restarting my computer many times. When I start it, it’ll … --- ## [I can't open my Epic Games Launcher](https://forums.unrealengine.com/t/i-cant-open-my-epic-games-launcher/420577)
**Author:** [@patricklinox](https://forums.unrealengine.com/u/patricklinox)\ **Replies:** 1\ **Last updated:** [March 23, 2018, 11:43am UTC](https://forums.unrealengine.com/t/i-cant-open-my-epic-games-launcher/420577 "2018-03-23T11:43:43Z")
What can I do to fix this? I want to play fortnite, so I created an account on the website, downloaded the launcher and installed, but I can’t open it. It just doesn’t open, and it doesn’t show any error. I deleted, down… --- ## [Launcher Crashes without Error](https://forums.unrealengine.com/t/launcher-crashes-without-error/420196)
**Author:** [@Jillifern](https://forums.unrealengine.com/u/Jillifern)\ **Replies:** 0\ **Last updated:** [March 18, 2018, 8:34pm UTC](https://forums.unrealengine.com/t/launcher-crashes-without-error/420196 "2018-03-18T20:34:30Z")
I’ve tried other solutions listed, found nothing that works for me. I’ve tried winnet, opengl, reinstalling, while running as admin, tried to open the file from the direct location, again as admin,turned off my antivirus… --- ## [İ can't open with facebook](https://forums.unrealengine.com/t/i-cant-open-with-facebook/418866)
**Author:** [@anonymous\_user\_558ad5331](https://forums.unrealengine.com/u/anonymous_user_558ad5331)\ **Replies:** 0\ **Last updated:** [March 3, 2018, 4:06pm UTC](https://forums.unrealengine.com/t/i-cant-open-with-facebook/418866 "2018-03-03T16:06:52Z")
i click facebook logo and wait i can try everything but don’t open that Complete your login in your browser. We’ll refresh this page once you are signed in.( i doing that but dont work) --- ## [Epic Games Launcher "Verifying Update"](https://forums.unrealengine.com/t/epic-games-launcher-verifying-update/416186)
**Author:** [@VinnDawg](https://forums.unrealengine.com/u/VinnDawg)\ **Replies:** 1\ **Last updated:** [February 2, 2018, 3:18am UTC](https://forums.unrealengine.com/t/epic-games-launcher-verifying-update/416186 "2018-02-02T03:18:47Z")
Hello! I have recently downloaded the Epic Games Launcher for FortNite… several times… Every time that I have downloaded it, the launcher goes into an infinite verifying update and keeps popping up and disappearing. Odd… --- ## [Epic game launcher won't start](https://forums.unrealengine.com/t/epic-game-launcher-wont-start/415571)
**Author:** [@NielsPower2007](https://forums.unrealengine.com/u/NielsPower2007)\ **Replies:** 0\ **Last updated:** [January 26, 2018, 10:50am UTC](https://forums.unrealengine.com/t/epic-game-launcher-wont-start/415571 "2018-01-26T10:50:51Z")
The launcher won’t start. I see the service in task manager appearing for a split second and the the service stops.link text PLease Help! It’s a new laptop with Windows 10 installed --- ## [My Laucher wont open](https://forums.unrealengine.com/t/my-laucher-wont-open/414570)
**Author:** [@Bunniko](https://forums.unrealengine.com/u/Bunniko)\ **Replies:** 0\ **Last updated:** [January 14, 2018, 9:52pm UTC](https://forums.unrealengine.com/t/my-laucher-wont-open/414570 "2018-01-14T21:52:32Z")
Hi there, I have an issue opening my launcher for the first time. I’ve logged in as admin, tried looking at the tips and tricks, checked my task manager, and nothing seems to be working! I’ve tried looking at the logs … --- ## [Launcher keeps on updating infinitely](https://forums.unrealengine.com/t/launcher-keeps-on-updating-infinitely/403284)
**Author:** [@Sam\_Studios](https://forums.unrealengine.com/u/Sam_Studios)\ **Replies:** 0\ **Last updated:** [August 30, 2017, 3:12pm UTC](https://forums.unrealengine.com/t/launcher-keeps-on-updating-infinitely/403284 "2017-08-30T15:12:58Z")
Hi there, I’ve downloaded the Epic games launcher from its website and installed it on my laptop. When I tried to open it, it started updating itself many times.I’m having too much trouble in logging in my account an… --- ## [Error 0xc0000007b displayed on EpicGamesLauncher](https://forums.unrealengine.com/t/error-0xc0000007b-displayed-on-epicgameslauncher/397852)
**Author:** [@D.FrostIce](https://forums.unrealengine.com/u/D.FrostIce)\ **Replies:** 2\ **Last updated:** [July 25, 2017, 3:44pm UTC](https://forums.unrealengine.com/t/error-0xc0000007b-displayed-on-epicgameslauncher/397852 "2017-07-25T15:44:21Z")
I installed the launcher and had this problem, my sistem is x64 bits windows 10. I tried all the solutions on the forum but nothing worked for me. Please if someone can help me. I post my Dwalker Log here.DwalkerLOG --- ## [EGLauncher not updating](https://forums.unrealengine.com/t/eglauncher-not-updating/399796)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 1\ **Last updated:** [July 7, 2017, 2:14pm UTC](https://forums.unrealengine.com/t/eglauncher-not-updating/399796 "2017-07-07T14:14:55Z")
hi there… Following problem…: I opened the Epic Games Launcher, and tried to update it (Restart and Update). After the restart, it redownloads the same Update again… and i restarted again… and it downloaded again… res… --- ## [Installer gives error message saying the package couldn't be opened, and that the certificate wasn't valid. why?](https://forums.unrealengine.com/t/installer-gives-error-message-saying-the-package-couldnt-be-opened-and-that-the-certificate-wasnt-valid-why/393965)
**Author:** [@anonymous\_user\_c8e425cf](https://forums.unrealengine.com/u/anonymous_user_c8e425cf)\ **Replies:** 0\ **Last updated:** [May 18, 2017, 5:24pm UTC](https://forums.unrealengine.com/t/installer-gives-error-message-saying-the-package-couldnt-be-opened-and-that-the-certificate-wasnt-valid-why/393965 "2017-05-18T17:24:16Z")
The download for the installer took about an hour, with the download time fluctuating wildly from one hour (about a minute before it finished) to three hours to even two days. Right before it “finished,” the progress bar… --- ## [I downloaded the launcher but it wont let me launch it, it just keeps repeating the download process what do I do?](https://forums.unrealengine.com/t/i-downloaded-the-launcher-but-it-wont-let-me-launch-it-it-just-keeps-repeating-the-download-process-what-do-i-do/372934)
**Author:** [@anna\_sparkles](https://forums.unrealengine.com/u/anna_sparkles)\ **Replies:** 1\ **Last updated:** [October 10, 2016, 1:30pm UTC](https://forums.unrealengine.com/t/i-downloaded-the-launcher-but-it-wont-let-me-launch-it-it-just-keeps-repeating-the-download-process-what-do-i-do/372934 "2016-10-10T13:30:54Z")
will someone help me im having trouble. i download the launcher but it wont launch the application what do i do? --- ## [EpicLauncher work only if (-Opengl) Editor stop at 18%](https://forums.unrealengine.com/t/epiclauncher-work-only-if-opengl-editor-stop-at-18/364167)
**Author:** [@TheOneGazou](https://forums.unrealengine.com/u/TheOneGazou)\ **Replies:** 2\ **Last updated:** [July 15, 2016, 8:19pm UTC](https://forums.unrealengine.com/t/epiclauncher-work-only-if-opengl-editor-stop-at-18/364167 "2016-07-15T20:19:05Z")
Hello, I’m having issue since yesterday trying to reach Unreal Editor for the first time. I think my computer hold the minimum specs and I can’t find any solution for now (after hours of search). I can’t start EpicGame… --- ## [Unable to start launcher in Win 10](https://forums.unrealengine.com/t/unable-to-start-launcher-in-win-10/362758)
**Author:** [@anonymous\_user\_c3bb0e12](https://forums.unrealengine.com/u/anonymous_user_c3bb0e12)\ **Replies:** 1\ **Last updated:** [July 5, 2016, 1:09pm UTC](https://forums.unrealengine.com/t/unable-to-start-launcher-in-win-10/362758 "2016-07-05T13:09:25Z")
For some reason i am completely unable to start the launcher in Win 10. It gives me a window saying: epicgameslauncher.exe - bad image, followed by something about that there seems to be some kind of a problem with the d… --- ## [Epic Launcher wont launch,Epic launcher wont start](https://forums.unrealengine.com/t/epic-launcher-wont-launch-epic-launcher-wont-start/361537)
**Author:** [@anonymous\_user\_5e9bbeab](https://forums.unrealengine.com/u/anonymous_user_5e9bbeab)\ **Replies:** 2\ **Last updated:** [June 23, 2016, 1:40pm UTC](https://forums.unrealengine.com/t/epic-launcher-wont-launch-epic-launcher-wont-start/361537 "2016-06-23T13:40:51Z")
Hi Epic, I can’t launch the epic game launcher, I need it in order to work in UE4 again. Is there any change someone can help me out? this post in included a DXdiag file =\> link text --- ## [Launcher keeps disconnecting the internet](https://forums.unrealengine.com/t/launcher-keeps-disconnecting-the-internet/354331)
**Author:** [@notwithoutmyanus](https://forums.unrealengine.com/u/notwithoutmyanus)\ **Replies:** 1\ **Last updated:** [April 18, 2016, 1:33pm UTC](https://forums.unrealengine.com/t/launcher-keeps-disconnecting-the-internet/354331 "2016-04-18T13:33:28Z")
Hello, when i log into my Epic Games Launcher i got long waiting times with errors at the end. I googled alot and tried stuff but nothing helped. I run as administrator, i opened TCP and UDP ports 80,443 and 5222. I a… --- ## [Launcher issue](https://forums.unrealengine.com/t/launcher-issue/349843)
**Author:** [@dansuciu](https://forums.unrealengine.com/u/dansuciu)\ **Replies:** 1\ **Last updated:** [April 4, 2016, 2:15pm UTC](https://forums.unrealengine.com/t/launcher-issue/349843 "2016-04-04T14:15:05Z")
OK, so i know this has been posted and re-posted a ton. But i am running the same version on 2 identical computers (more or less- only mb is different) on 1 i have no issue, on the other i can only stay offline. The s… [Next page](https://forums.unrealengine.com/tag/launcher-not-startin/7567.md?match_all_tags=true&page=1&tags%5B%5D=launcher-not-startin)