# \#launcher-error **URL:** https://forums.unrealengine.com/tag/launcher-error/3197.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Damned "Epic" Fail - Plug-in Install FAILURE! This is UN-ACCEPTABLE!](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835)
**Author:** [@mongoose666](https://forums.unrealengine.com/u/mongoose666)\ **Replies:** 4\ **Last updated:** [November 10, 2026, 8:30pm UTC](https://forums.unrealengine.com/t/damned-epic-fail-plug-in-install-failure-this-is-un-acceptable/2852835 "2026-11-10T20:30:59Z")
Summary What in the hell is going on! :enraged\_face: :face\_with\_symbols\_on\_mouth: - Error IS-0007 and others. Projects don’t bloody well appear in the launcher so take a guess - yeah you can’t bloody ADD to Project becau… --- ## [UEFN Push Changes fails with “Not authorized to access repository” ](https://forums.unrealengine.com/t/uefn-push-changes-fails-with-not-authorized-to-access-repository/2802464)
**Author:** [@Silent\_Resolve](https://forums.unrealengine.com/u/Silent_Resolve)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 6:51pm UTC](https://forums.unrealengine.com/t/uefn-push-changes-fails-with-not-authorized-to-access-repository/2802464 "2026-09-17T18:51:40Z")
Summary Reference ID: bc930df7-4d99-7749-3d88-64881a05a542 Push Changes and Launch Session fail with: “Not authorized to access repository” and “FlowStep\_UploadCandidateSourceFiles(): Failed to register session candi… --- ## [Epic Games Launcher is frozen on a black screen with a blue loading bar](https://forums.unrealengine.com/t/epic-games-launcher-is-frozen-on-a-black-screen-with-a-blue-loading-bar/439680)
**Author:** [@GoldenCloud](https://forums.unrealengine.com/u/GoldenCloud)\ **Replies:** 6\ **Last updated:** [September 4, 2026, 5:52pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-is-frozen-on-a-black-screen-with-a-blue-loading-bar/439680 "2026-09-04T17:52:36Z")
to whom it may concern, I was trying to install fortnite and the epic games launcher after it had stopped working on me. I tried to reinstall but as soon as I try to open the launcher it just stops responding on a black… --- ## [EpicInstaller 13.0.0 fails](https://forums.unrealengine.com/t/epicinstaller-13-0-0-fails/491707)
**Author:** [@anonymous\_user\_dce139a6](https://forums.unrealengine.com/u/anonymous_user_dce139a6)\ **Replies:** 2\ **Last updated:** [July 20, 2026, 4:26pm UTC](https://forums.unrealengine.com/t/epicinstaller-13-0-0-fails/491707 "2026-07-20T16:26:58Z")
I keep getting this error message when trying to install the Epic Games Launcher. Any help would be appreciated. Thanks, --- ## [Install/Uninstall EPIC: specified account already exists ?!?!](https://forums.unrealengine.com/t/install-uninstall-epic-specified-account-already-exists/462891)
**Author:** [@hellwitu](https://forums.unrealengine.com/u/hellwitu)\ **Replies:** 7\ **Last updated:** [July 3, 2026, 2:48pm UTC](https://forums.unrealengine.com/t/install-uninstall-epic-specified-account-already-exists/462891 "2026-07-03T14:48:46Z")
Hello world, Ive been using UE4 for 5 years now but for the last 6 months its just stuck on a plain black launcher loading screen. Im also unable to uninstall/reinstall the launcher because it fails with a msg “specifie… --- ## [MD-0011-0 Error on Plugin Install - Custom Thumbnails](https://forums.unrealengine.com/t/md-0011-0-error-on-plugin-install-custom-thumbnails/2153122)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 5\ **Last updated:** [May 10, 2026, 5:03pm UTC](https://forums.unrealengine.com/t/md-0011-0-error-on-plugin-install-custom-thumbnails/2153122 "2026-05-10T17:03:50Z")
Summary Hi there.. Following Plugin cannot be installed and instead throws an MD-0011-0 Error: The Seller also got informed. Kind regards… What type of bug are you experiencing? Documentation URL where the bug was … --- ## [Epic Launcher Constant Crashing](https://forums.unrealengine.com/t/epic-launcher-constant-crashing/488139)
**Author:** [@dazzlesoftware](https://forums.unrealengine.com/u/dazzlesoftware)\ **Replies:** 1\ **Last updated:** [February 28, 2026, 5:46am UTC](https://forums.unrealengine.com/t/epic-launcher-constant-crashing/488139 "2026-02-28T05:46:03Z")
Hello, it seems the current launcher is constantly crashing during install of the unreal engine or checking the integrity of the engine. I have even formatted windows and reinstalled them. but the same issue my hardwar… --- ## [Session Disconnected on Launch ](https://forums.unrealengine.com/t/session-disconnected-on-launch/2700465)
**Author:** [@JotaBolota](https://forums.unrealengine.com/u/JotaBolota)\ **Replies:** 11\ **Last updated:** [February 23, 2026, 9:13am UTC](https://forums.unrealengine.com/t/session-disconnected-on-launch/2700465 "2026-02-23T09:13:17Z")
Summary Almost everytime I try to launch a UEFN Session it loads for some minutes and when the island loads on Fortnite it’s “session disconnected”, the few times that I manage to successfully connect to a Fortnite sessi… --- ## [\[REQUEST\] 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 Games Launcher Crash With This Error Code](https://forums.unrealengine.com/t/epic-games-launcher-crash-with-this-error-code/471726)
**Author:** [@anonymous\_user\_46160039](https://forums.unrealengine.com/u/anonymous_user_46160039)\ **Replies:** 8\ **Last updated:** [February 11, 2026, 3:36pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-crash-with-this-error-code/471726 "2026-02-11T15:36:00Z")
Please help me solve this problem, i’ve been trying several way to fix it but always comes to a dead end, have been figthing with this crash for almost 2 month, please i just want to open a game launcher not to edit a gi… --- ## [Constantly getting "Project Files not Associated"](https://forums.unrealengine.com/t/constantly-getting-project-files-not-associated/289442)
**Author:** [@Architekt](https://forums.unrealengine.com/u/Architekt)\ **Replies:** 9\ **Last updated:** [January 30, 2026, 10:59pm UTC](https://forums.unrealengine.com/t/constantly-getting-project-files-not-associated/289442 "2026-01-30T22:59:52Z")
This is minor, but I’ve had it since 4.2. Every time I load up the launcher it says “Project files not associated” and asks me if I want to associate them now. Every time I say “Fix Now” I get an “Error” dialog box that … --- ## [Hi, iam trying to download unreal engine 4.27.2 and for whatever reason i always get an error please help Help I tried all solutions i came across, but still everytime i get MD-DL-0 error on Windows ](https://forums.unrealengine.com/t/hi-iam-trying-to-download-unreal-engine-4-27-2-and-for-whatever-reason-i-always-get-an-error-please-help-help-i-tried-all-solutions-i-came-across-but-still-everytime-i-get-md-dl-0-error-on-windows/2689607)
**Author:** [@Godd\_Howard007](https://forums.unrealengine.com/u/Godd_Howard007)\ **Replies:** 1\ **Last updated:** [January 5, 2026, 10:42am UTC](https://forums.unrealengine.com/t/hi-iam-trying-to-download-unreal-engine-4-27-2-and-for-whatever-reason-i-always-get-an-error-please-help-help-i-tried-all-solutions-i-came-across-but-still-everytime-i-get-md-dl-0-error-on-windows/2689607 "2026-01-05T10:42:46Z")
I am on Windows and I am unable to download but I am able to download on Mac . I also used Crossover (Win emu ) and it doesn’t work and it shows MD-DL-0 --- ## [Epic Games Launcher 19.0.0 not working](https://forums.unrealengine.com/t/epic-games-launcher-19-0-0-not-working/2676587)
**Author:** [@Knowdlord1](https://forums.unrealengine.com/u/Knowdlord1)\ **Replies:** 3\ **Last updated:** [December 8, 2025, 3:36pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-19-0-0-not-working/2676587 "2025-12-08T15:36:15Z")
For those who still have problems with the update of the Epic Games Launcher I recommend the Heroic Games Launcher.. so far i have tested many games that work fine with that launcher.. only a few like GTA5 really still n… --- ## [MetahumanForMaya plugin error ](https://forums.unrealengine.com/t/metahumanformaya-plugin-error/2674709)
**Author:** [@0kayoung](https://forums.unrealengine.com/u/0kayoung)\ **Replies:** 0\ **Last updated:** [November 13, 2025, 3:58pm UTC](https://forums.unrealengine.com/t/metahumanformaya-plugin-error/2674709 "2025-11-13T15:58:24Z")
When I click Loaded on MetahumanForMaya.py in the plugin manager in Maya, I get this error error: file: D:/autodask/Maya2024/scripts/others/PluginWin.mel line 316: (MetaHumanForMaya) --- ## [The Epic Games Launcher Setup Wizard Ended Prematurely](https://forums.unrealengine.com/t/the-epic-games-launcher-setup-wizard-ended-prematurely/313043)
**Author:** [@alexbolam](https://forums.unrealengine.com/u/alexbolam)\ **Replies:** 31\ **Last updated:** [October 19, 2025, 8:01pm UTC](https://forums.unrealengine.com/t/the-epic-games-launcher-setup-wizard-ended-prematurely/313043 "2025-10-19T20:01:04Z")
So I downloaded the launcher for windows and tried to install it, only to receive this message after it does the validation check. Being a .msi package it took a bit of jiggery pokery to force it to install as administr… --- ## [The launcher is bugged](https://forums.unrealengine.com/t/the-launcher-is-bugged/2665816)
**Author:** [@Bobby\_Rosehag](https://forums.unrealengine.com/u/Bobby_Rosehag)\ **Replies:** 1\ **Last updated:** [October 16, 2025, 9:17am UTC](https://forums.unrealengine.com/t/the-launcher-is-bugged/2665816 "2025-10-16T09:17:00Z")
Maybe this is just something I deal with but the launcher has always had issues for me. It is slow and buggy. Switching between tabs is so slow. Often times it feels like it’s crashing but no it’s just the normal operat… --- ## [My request to the Epic Support was ignored and closed(Fab product issue)](https://forums.unrealengine.com/t/my-request-to-the-epic-support-was-ignored-and-closed-fab-product-issue/2655215)
**Author:** [@Engelard](https://forums.unrealengine.com/u/Engelard)\ **Replies:** 10\ **Last updated:** [September 12, 2025, 8:04am UTC](https://forums.unrealengine.com/t/my-request-to-the-epic-support-was-ignored-and-closed-fab-product-issue/2655215 "2025-09-12T08:04:44Z")
I didn’t know where else to go, since even primary Epic Help Center choose to ignore issue I’ve encountered. Anybody can help me with it simply by checking if the particular Fab plugin(free) works in your case, because … --- ## [I'm having an issue with my project. After the new Fortnite update last week (verse.digest.verse) ](https://forums.unrealengine.com/t/im-having-an-issue-with-my-project-after-the-new-fortnite-update-last-week-verse-digest-verse/2563190)
**Author:** [@\_RP2](https://forums.unrealengine.com/u/_RP2)\ **Replies:** 5\ **Last updated:** [June 20, 2025, 6:59pm UTC](https://forums.unrealengine.com/t/im-having-an-issue-with-my-project-after-the-new-fortnite-update-last-week-verse-digest-verse/2563190 "2025-06-20T18:59:11Z")
I’m having an issue with my REAL POWER PIT project. After the new Fortnite update last week, I can’t launch any sessions. It gives me a network error even when I publish private versions. When I try to launch it, I recei… --- ## [5.6无法启动，首次安装能顺利打开，再重新启动就报错 ](https://forums.unrealengine.com/t/5-6/2555024)
**Author:** [@zhong2](https://forums.unrealengine.com/u/zhong2)\ **Replies:** 0\ **Last updated:** [June 13, 2025, 2:33pm UTC](https://forums.unrealengine.com/t/5-6/2555024 "2025-06-13T14:33:50Z")
第一次启动5.6能顺利打开，电脑重启后，Windows更新后，无法启动5.6 弹出错误对话框： --- ## [Can't see the install button on Epic launcher](https://forums.unrealengine.com/t/cant-see-the-install-button-on-epic-launcher/466057)
**Author:** [@Nguy\_n\_DInhChung](https://forums.unrealengine.com/u/Nguy_n_DInhChung)\ **Replies:** 12\ **Last updated:** [April 29, 2025, 11:41am UTC](https://forums.unrealengine.com/t/cant-see-the-install-button-on-epic-launcher/466057 "2025-04-29T11:41:44Z")
Hi everyone, Sorry for my bad English, Im trying to install Twinmotion with Epicgame launcher, but the problem is I couldn’t see the pink button to install it. I’ve tried to reinstall the launcher many time, sign out … --- ## [UEFN NOT STARTING UP ](https://forums.unrealengine.com/t/uefn-not-starting-up/2463091)
**Author:** [@lalchatni](https://forums.unrealengine.com/u/lalchatni)\ **Replies:** 5\ **Last updated:** [April 19, 2025, 1:10pm UTC](https://forums.unrealengine.com/t/uefn-not-starting-up/2463091 "2025-04-19T13:10:42Z")
Summary I recently downloaded uefn for the first time and whenever I launch it… it goes to the initialization window and then closes immediately and back to the epic games launcher. I saw a fix by copying the contents of… --- ## [Plugin Installation Error (MD-0011-0) After Fab Migration](https://forums.unrealengine.com/t/plugin-installation-error-md-0011-0-after-fab-migration/2083033)
**Author:** [@Pullsar](https://forums.unrealengine.com/u/Pullsar)\ **Replies:** 112\ **Last updated:** [December 12, 2024, 9:28am UTC](https://forums.unrealengine.com/t/plugin-installation-error-md-0011-0-after-fab-migration/2083033 "2024-12-12T09:28:23Z")
Summary Hello everyone, I recently encountered an issue after migrating my engine plugin from the Unreal Marketplace to Fab. Before Fab officially launched, I uploaded an update for the plugin, which was approved withou… --- ## [SU-BI-CA Error](https://forums.unrealengine.com/t/su-bi-ca-error/2103089)
**Author:** [@Joshuab\_artist](https://forums.unrealengine.com/u/Joshuab_artist)\ **Replies:** 6\ **Last updated:** [November 11, 2024, 6:17am UTC](https://forums.unrealengine.com/t/su-bi-ca-error/2103089 "2024-11-11T06:17:36Z")
does anyone know any fix for SU-BI-CA error auth build on my epic launcher?. Because I have tried anything to fix it from following the directions. And nothing is working at all. And I don’t know if it has anything to do… --- ## [Error SU-BI-CA](https://forums.unrealengine.com/t/error-su-bi-ca/442524)
**Author:** [@Prof.Bacon](https://forums.unrealengine.com/u/Prof.Bacon)\ **Replies:** 4\ **Last updated:** [January 24, 2020, 8:39pm UTC](https://forums.unrealengine.com/t/error-su-bi-ca/442524 "2020-01-24T20:39:19Z")
So when i try to run the launcher, it’s stuck on “Please wait while we start your update”. then after a while i get this red triangle, that searches up SU-BI-CA in the epic games support centre, but it doesn’t come up as… --- ## [Lates release ERROR?](https://forums.unrealengine.com/t/lates-release-error/2070026)
**Author:** [@rockgerman](https://forums.unrealengine.com/u/rockgerman)\ **Replies:** 2\ **Last updated:** [November 2, 2024, 10:19pm UTC](https://forums.unrealengine.com/t/lates-release-error/2070026 "2024-11-02T22:19:06Z")
Hi, can anyone help me to fix this problem, I published a map and everything was accepted, got the email and everything, but now i can’t acces to the map and when I tried got the error messe. I leave you some pictures. T… --- ## [errors.com.epicgames.cookplugin.cookfailureoutofmemory](https://forums.unrealengine.com/t/errors-com-epicgames-cookplugin-cookfailureoutofmemory/2060251)
**Author:** [@TTMomoDh](https://forums.unrealengine.com/u/TTMomoDh)\ **Replies:** 0\ **Last updated:** [October 9, 2024, 2:18pm UTC](https://forums.unrealengine.com/t/errors-com-epicgames-cookplugin-cookfailureoutofmemory/2060251 "2024-10-09T14:18:14Z")
Summary Hello Sorry but this is my very post, apologise if this is not the correct section for this topic or if i am missing anything in this post or there have been already solved post with my same issue, please if is … --- ## [Error when packing as shipping](https://forums.unrealengine.com/t/error-when-packing-as-shipping/1873538)
**Author:** [@Xanuxin](https://forums.unrealengine.com/u/Xanuxin)\ **Replies:** 0\ **Last updated:** [May 26, 2024, 9:21am UTC](https://forums.unrealengine.com/t/error-when-packing-as-shipping/1873538 "2024-05-26T09:21:19Z")
Hello, when I packaged the game as shipping and try to launch it as for a user who does not have Unreal Engine - that is, through the shortcut that is located in: “…\\Engine\\Binaries\\Win64\\UnrealGame-Win64-Shipping.exe” … --- ## [Launcher issue with RealityCapture](https://forums.unrealengine.com/t/launcher-issue-with-realitycapture/1822001)
**Author:** [@B0](https://forums.unrealengine.com/u/B0)\ **Replies:** 11\ **Last updated:** [May 26, 2024, 5:01am UTC](https://forums.unrealengine.com/t/launcher-issue-with-realitycapture/1822001 "2024-05-26T05:01:49Z")
Hey folks! So, I have updated the launcher yesterday and now I have a new tab saying RealityCapture. Awesome. Only thing here is that it didn’t do anything when I clicked it. This morning, I received a new update on th… --- ## ["/system/bin/sh: syntax error: unexpected '(' " when launching game in mobile.](https://forums.unrealengine.com/t/system-bin-sh-syntax-error-unexpected-when-launching-game-in-mobile/1720747)
**Author:** [@EltonGamer11](https://forums.unrealengine.com/u/EltonGamer11)\ **Replies:** 27\ **Last updated:** [May 6, 2024, 1:32am UTC](https://forums.unrealengine.com/t/system-bin-sh-syntax-error-unexpected-when-launching-game-in-mobile/1720747 "2024-05-06T01:32:45Z")
I’m trying to launch my UE5 game on my Android, but it keeps saying “/system/bin/sh: syntax error: unexpected ‘(’” in the Unreal Output Log. Also, the game appears to not be loading, because the screen is completely blac… --- ## [Epic games launcher setup wizard ended prematurely](https://forums.unrealengine.com/t/epic-games-launcher-setup-wizard-ended-prematurely/440364)
**Author:** [@Thomasje007](https://forums.unrealengine.com/u/Thomasje007)\ **Replies:** 3\ **Last updated:** [April 14, 2024, 4:44pm UTC](https://forums.unrealengine.com/t/epic-games-launcher-setup-wizard-ended-prematurely/440364 "2024-04-14T16:44:20Z")
A couple of days ago my HDD broke( D: ) with all my games on it. so i am trying to reinstall Epic Games launcher. The problem is that i dont have a D:/ anymore but The epic games launcher wants to download on that drive… [Next page](https://forums.unrealengine.com/tag/launcher-error/3197.md?match_all_tags=true&page=1&tags%5B%5D=launcher-error)