# \#startup **URL:** https://forums.unrealengine.com/tag/startup/816.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Hiding Windows taskbar at startup](https://forums.unrealengine.com/t/hiding-windows-taskbar-at-startup/299560)
**Author:** [@Mr\_Robville](https://forums.unrealengine.com/u/Mr_Robville)\ **Replies:** 2\ **Last updated:** [October 16, 2026, 6:08pm UTC](https://forums.unrealengine.com/t/hiding-windows-taskbar-at-startup/299560 "2026-10-16T18:08:01Z")
I must have missed a command. I was able to configure my packaged game to run full screen at 1920X1080 borderless. This works when the game itself is loaded. However, during startup the Windows taskbar is still visible … --- ## [Is there a way to play music on startup of the game alongside the startup movies and have it persist into the main menu?](https://forums.unrealengine.com/t/is-there-a-way-to-play-music-on-startup-of-the-game-alongside-the-startup-movies-and-have-it-persist-into-the-main-menu/470513)
**Author:** [@eSnapple](https://forums.unrealengine.com/u/eSnapple)\ **Replies:** 1\ **Last updated:** [June 18, 2026, 11:48pm UTC](https://forums.unrealengine.com/t/is-there-a-way-to-play-music-on-startup-of-the-game-alongside-the-startup-movies-and-have-it-persist-into-the-main-menu/470513 "2026-06-18T23:48:28Z")
Having main menu music that starts when the level loads, and persists into the next level isn’t a problem. And I know I can play movies at startup with audio. But I’m wondering if it’s possible to overlay a song once the… --- ## [Crash report window on Windows Startup](https://forums.unrealengine.com/t/crash-report-window-on-windows-startup/2711176)
**Author:** [@wukuku](https://forums.unrealengine.com/u/wukuku)\ **Replies:** 0\ **Last updated:** [April 3, 2026, 9:28am UTC](https://forums.unrealengine.com/t/crash-report-window-on-windows-startup/2711176 "2026-04-03T09:28:44Z")
Hello everyone, For 1 month already, I keep having the same issue : Whenever I boot my computer, open my session, I instantly get a EpicGamesLauncher Crash Report window, weather I didn’t start any program, or set any … --- ## [Senior Game UI Artist - I have some free time and am looking for a freelance project with hourly pay.](https://forums.unrealengine.com/t/senior-game-ui-artist-i-have-some-free-time-and-am-looking-for-a-freelance-project-with-hourly-pay/2708862)
**Author:** [@DmitrixS](https://forums.unrealengine.com/u/DmitrixS)\ **Replies:** 1\ **Last updated:** [March 29, 2026, 10:09am UTC](https://forums.unrealengine.com/t/senior-game-ui-artist-i-have-some-free-time-and-am-looking-for-a-freelance-project-with-hourly-pay/2708862 "2026-03-29T10:09:27Z")
https://www.artstation.com/dmitry\_ananiev hi - I Senior Game UI Artist specializing in mobile/AA/FPS/TPS/RTS/TBS/Action-RPG/MMOR. I create cler, immersive interfaces that help players understand complex mechanics insta… --- ## [Stuck on Loading PreDefault Modules for Plugin: PythonScriptPlugin](https://forums.unrealengine.com/t/stuck-on-loading-predefault-modules-for-plugin-pythonscriptplugin/1835580)
**Author:** [@GarielSd](https://forums.unrealengine.com/u/GarielSd)\ **Replies:** 19\ **Last updated:** [March 18, 2026, 4:34am UTC](https://forums.unrealengine.com/t/stuck-on-loading-predefault-modules-for-plugin-pythonscriptplugin/1835580 "2026-03-18T04:34:10Z")
Title. Unreal 5.4.1 gets stuck several minutes every single time i re-open any unreal project. --- ## [Editor Should Identify Why Project is "Out of Date".](https://forums.unrealengine.com/t/editor-should-identify-why-project-is-out-of-date/2675639)
**Author:** [@Doctor\_Kannon](https://forums.unrealengine.com/u/Doctor_Kannon)\ **Replies:** 0\ **Last updated:** [November 16, 2025, 6:24pm UTC](https://forums.unrealengine.com/t/editor-should-identify-why-project-is-out-of-date/2675639 "2025-11-16T18:24:12Z")
When I open my current project in 5.5.4, one of the small popup messages informs me that the project is “out of date” and asks if I want to update it. A simple button click will update the project automatically, it seems… --- ## [Starting up a game ](https://forums.unrealengine.com/t/starting-up-a-game/2556656)
**Author:** [@Goobiz](https://forums.unrealengine.com/u/Goobiz)\ **Replies:** 0\ **Last updated:** [June 14, 2025, 1:04pm UTC](https://forums.unrealengine.com/t/starting-up-a-game/2556656 "2025-06-14T13:04:40Z")
Hi, I have always wanted to create a game as realistic as possible related to special forces/the army. I’m looking for people that can help out and are interested in this topic, if you would like to help or know anyone … --- ## [VPN + Opening Project = Crash](https://forums.unrealengine.com/t/vpn-opening-project-crash/2098990)
**Author:** [@BDC\_Patrick](https://forums.unrealengine.com/u/BDC_Patrick)\ **Replies:** 5\ **Last updated:** [December 25, 2024, 3:59pm UTC](https://forums.unrealengine.com/t/vpn-opening-project-crash/2098990 "2024-12-25T15:59:23Z")
Hi there… I currently encounter a strange problem. My Projects won’t open, as long as my Cyberghost VPN is connected. Always fatal crashes with: Unable to use default cache graph 'InstalledDerivedDataBackendGraph' be… --- ## [Hidden actor gets visible on startup](https://forums.unrealengine.com/t/hidden-actor-gets-visible-on-startup/400075)
**Author:** [@sukovf](https://forums.unrealengine.com/u/sukovf)\ **Replies:** 6\ **Last updated:** [November 11, 2024, 8:08pm UTC](https://forums.unrealengine.com/t/hidden-actor-gets-visible-on-startup/400075 "2024-11-11T20:08:02Z")
Hi. I guess I have found a bug in 4.16.2 Editor. When I hide a StaticMeshActor in the World Outliner tab using the “eye” icon, the actor gets hidden as you would expect. BUT, when I save level, restart the Editor, the ac… --- ## [Uefn is stuck at 0% initializing at startup and does not progress ](https://forums.unrealengine.com/t/uefn-is-stuck-at-0-initializing-at-startup-and-does-not-progress/1826462)
**Author:** [@AZX33](https://forums.unrealengine.com/u/AZX33)\ **Replies:** 0\ **Last updated:** [April 28, 2024, 2:51pm UTC](https://forums.unrealengine.com/t/uefn-is-stuck-at-0-initializing-at-startup-and-does-not-progress/1826462 "2024-04-28T14:51:31Z")
Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Other Summary When I try to run UEFN it says 0% initializing and doesn’t progress , this issue has been happen… --- ## [Cannot start my Unreal Engine through epic store](https://forums.unrealengine.com/t/cannot-start-my-unreal-engine-through-epic-store/1809011)
**Author:** [@BaiLangAO](https://forums.unrealengine.com/u/BaiLangAO)\ **Replies:** 2\ **Last updated:** [April 19, 2024, 3:51am UTC](https://forums.unrealengine.com/t/cannot-start-my-unreal-engine-through-epic-store/1809011 "2024-04-19T03:51:15Z")
Hi! Guys, don’t know if someone have the same situation as I but Here is the problem I encountered: I build the entire unreal engine through the source code(C++) downloaded from Github, the build process is smooth and I… --- ## [Ratten Reich - Cinematic Teaser](https://forums.unrealengine.com/t/ratten-reich-cinematic-teaser/1523059)
**Author:** [@cortek1](https://forums.unrealengine.com/u/cortek1)\ **Replies:** 20\ **Last updated:** [April 17, 2024, 1:30pm UTC](https://forums.unrealengine.com/t/ratten-reich-cinematic-teaser/1523059 "2024-04-17T13:30:36Z")
Hello, everybody ! We are Argentum Studio - a startup company to create cinematics in Unreal Engine ! And today we have released a teaser for the game Ratten Reich. In the teaser General Gavis the Silver is an anthrop… --- ## [All Unreal Engine' game crash at startup : Fatal Error](https://forums.unrealengine.com/t/all-unreal-engine-game-crash-at-startup-fatal-error/487029)
**Author:** [@Sad1que](https://forums.unrealengine.com/u/Sad1que)\ **Replies:** 2\ **Last updated:** [March 2, 2024, 2:33pm UTC](https://forums.unrealengine.com/t/all-unreal-engine-game-crash-at-startup-fatal-error/487029 "2024-03-02T14:33:16Z")
Hello, Since 3 days, I’m searching to resolve crash issues on all UE4 games, for exemple Mordhau or Valorant. When I launch a game it instantly shutdown and I get the “Fatal Error” message. Here some usefull informatio… --- ## [Every Version of UE4 Crashes On Startup After Upgrading to Mac OS X High Sierra](https://forums.unrealengine.com/t/every-version-of-ue4-crashes-on-startup-after-upgrading-to-mac-os-x-high-sierra/407002)
**Author:** [@Small\_Daddy\_Dave](https://forums.unrealengine.com/u/Small_Daddy_Dave)\ **Replies:** 9\ **Last updated:** [October 20, 2023, 1:22pm UTC](https://forums.unrealengine.com/t/every-version-of-ue4-crashes-on-startup-after-upgrading-to-mac-os-x-high-sierra/407002 "2023-10-20T13:22:33Z")
No matter what version of UE4 I try to open, It crashes before the splash screen can even come up. I believe this is because I upgraded my mac to OS X High Sierra. In that case, I guess my question would be, when will Ma… --- ## [\[UE4.26\] UE4 freezes my PC during launch and only hard resetting works](https://forums.unrealengine.com/t/ue4-26-ue4-freezes-my-pc-during-launch-and-only-hard-resetting-works/476365)
**Author:** [@MadSuricata](https://forums.unrealengine.com/u/MadSuricata)\ **Replies:** 9\ **Last updated:** [October 9, 2023, 4:05pm UTC](https://forums.unrealengine.com/t/ue4-26-ue4-freezes-my-pc-during-launch-and-only-hard-resetting-works/476365 "2023-10-09T16:05:56Z")
Since middle of December 2020 I can’t use Unreal Engine properly as the editor freezes my whole computer (data race maybe??). Even the task manager is unable to close the process, nor you can do anything at all. The only… --- ## [VDB Rendering Pipeline inside Unreal Engine](https://forums.unrealengine.com/t/vdb-rendering-pipeline-inside-unreal-engine/1260774)
**Author:** [@cortek1](https://forums.unrealengine.com/u/cortek1)\ **Replies:** 20\ **Last updated:** [August 17, 2023, 10:20pm UTC](https://forums.unrealengine.com/t/vdb-rendering-pipeline-inside-unreal-engine/1260774 "2023-08-17T22:20:33Z")
Argentum Studio VDB Rendering Pipeline We want to presenting our new VDB Pipeline Tool. At Argentum Studio, we have committed to extensive research and development, and came up with a unique t… --- ## [Unreal VR Crashes on startup when no Headset is connected](https://forums.unrealengine.com/t/unreal-vr-crashes-on-startup-when-no-headset-is-connected/1190558)
**Author:** [@Pyro0209](https://forums.unrealengine.com/u/Pyro0209)\ **Replies:** 2\ **Last updated:** [June 7, 2023, 4:28pm UTC](https://forums.unrealengine.com/t/unreal-vr-crashes-on-startup-when-no-headset-is-connected/1190558 "2023-06-07T16:28:05Z")
Hi, I develop in VR with Unreal. Everything worked fine before yesterday. I did a Graphics Driver Update and some updates for Windows 11 and also updated Unreal to the newest Version for 5.1 and 5.2. Since then when I t… --- ## [UE startup pipline](https://forums.unrealengine.com/t/ue-startup-pipline/767066)
**Author:** [@Reonis](https://forums.unrealengine.com/u/Reonis)\ **Replies:** 0\ **Last updated:** [February 9, 2023, 7:18am UTC](https://forums.unrealengine.com/t/ue-startup-pipline/767066 "2023-02-09T07:18:12Z")
As a c++ programmer I’m aware of necessity of starting UE from IDE not to miss some scripts in Content Drawer before first live coding. Which is completly fine for me, but lets say if I would have other participants othe… --- ## [Launcher alwasy starts the last project](https://forums.unrealengine.com/t/launcher-alwasy-starts-the-last-project/354100)
**Author:** [@anonymous\_user\_2709d010](https://forums.unrealengine.com/u/anonymous_user_2709d010)\ **Replies:** 13\ **Last updated:** [September 29, 2022, 7:02am UTC](https://forums.unrealengine.com/t/launcher-alwasy-starts-the-last-project/354100 "2022-09-29T07:02:23Z")
I can’t remember having this problem in the past, but I don’t use the launcher that much, however recently I needed to create a new dummy project and I noticed that I can not start the pure Unreal Editor from the launche… --- ## [Select one of the available missions from the quest log, name your price and leave your contact on acrcxsym@gmail.com for a interview](https://forums.unrealengine.com/t/select-one-of-the-available-missions-from-the-quest-log-name-your-price-and-leave-your-contact-on-acrcxsym-gmail-com-for-a-interview/583344)
**Author:** [@PsiArc](https://forums.unrealengine.com/u/PsiArc)\ **Replies:** 0\ **Last updated:** [June 16, 2022, 12:19pm UTC](https://forums.unrealengine.com/t/select-one-of-the-available-missions-from-the-quest-log-name-your-price-and-leave-your-contact-on-acrcxsym-gmail-com-for-a-interview/583344 "2022-06-16T12:19:13Z")
Quest 0 - Dive Quest 1 - Nodes for Vision Develop 3D toolkit to operate data and then render target the image to target social network. RT renders Section ID icon, user may enter personal dimension of the creator the i… --- ## [My CPU hits 100% usage on opening a project](https://forums.unrealengine.com/t/my-cpu-hits-100-usage-on-opening-a-project/466153)
**Author:** [@Pyr0piggy](https://forums.unrealengine.com/u/Pyr0piggy)\ **Replies:** 11\ **Last updated:** [April 21, 2022, 2:04am UTC](https://forums.unrealengine.com/t/my-cpu-hits-100-usage-on-opening-a-project/466153 "2022-04-21T02:04:22Z")
I’ve searched around the forums and have found similar problems but all different enough that i couldn’t find a clear answer. I’m brand new to UE4, so new that i cant even open a starter project.Opening a project freeze… --- ## [Assertion failed: AsyncLoadingThread.RecursionNotAllowed.Increment() == 1](https://forums.unrealengine.com/t/assertion-failed-asyncloadingthread-recursionnotallowed-increment-1/473652)
**Author:** [@SocialPhobiaLive](https://forums.unrealengine.com/u/SocialPhobiaLive)\ **Replies:** 2\ **Last updated:** [February 8, 2022, 4:10pm UTC](https://forums.unrealengine.com/t/assertion-failed-asyncloadingthread-recursionnotallowed-increment-1/473652 "2022-02-08T16:10:59Z")
Hi, I tried to build my game in order to test it, but it keeps crashing at startup with this error: I’ve seen similar problems on the web, but I can’t find a valid solution. --- ## [World Composition, sub-levels not loaded on startup](https://forums.unrealengine.com/t/world-composition-sub-levels-not-loaded-on-startup/453427)
**Author:** [@Ditarcul](https://forums.unrealengine.com/u/Ditarcul)\ **Replies:** 1\ **Last updated:** [November 5, 2021, 12:27pm UTC](https://forums.unrealengine.com/t/world-composition-sub-levels-not-loaded-on-startup/453427 "2021-11-05T12:27:17Z")
When i start UE4 (4.21) the persistent level is present but the secondary sub level is present but not loaded, i have to load it every time i start the engine, the ‘‘always loaded’’ feature i don’t have in the options of… --- ## [UE 4.26.2 Closes after failing to initialize (Mac OS)](https://forums.unrealengine.com/t/ue-4-26-2-closes-after-failing-to-initialize-mac-os/488161)
**Author:** [@Twylightking](https://forums.unrealengine.com/u/Twylightking)\ **Replies:** 0\ **Last updated:** [September 9, 2021, 7:15pm UTC](https://forums.unrealengine.com/t/ue-4-26-2-closes-after-failing-to-initialize-mac-os/488161 "2021-09-09T19:15:36Z")
I own a 2019 MacBook Pro that runs MacOS 11.5.2, and have recently installed Unreal Engine through the Epic Games Launcher. When I launch the editor from there, It begins initializing. Between 10% and 30% (The actual per… --- ## [Unreal Editor crashes on launch - how to reset/salvage a project?](https://forums.unrealengine.com/t/unreal-editor-crashes-on-launch-how-to-reset-salvage-a-project/294133)
**Author:** [@anonymous\_user\_28ef00731](https://forums.unrealengine.com/u/anonymous_user_28ef00731)\ **Replies:** 3\ **Last updated:** [August 30, 2021, 9:06am UTC](https://forums.unrealengine.com/t/unreal-editor-crashes-on-launch-how-to-reset-salvage-a-project/294133 "2021-08-30T09:06:49Z")
I was working on a project, building a bunch of materials, saved the project, coming next day, after updating to 4.4.3 from 4.4.2 and get a 0.1 second flash of the editor with a bunch of green material boxes, then crash.… --- ## [Epic games start up prematurely ended](https://forums.unrealengine.com/t/epic-games-start-up-prematurely-ended/487911)
**Author:** [@The\_Lunch\_Lady](https://forums.unrealengine.com/u/The_Lunch_Lady)\ **Replies:** 0\ **Last updated:** [August 24, 2021, 7:44am UTC](https://forums.unrealengine.com/t/epic-games-start-up-prematurely-ended/487911 "2021-08-24T07:44:30Z")
epic game start up wizard has prematurely ended fix? --- ## [Default Property warning at startup](https://forums.unrealengine.com/t/default-property-warning-at-startup/328151)
**Author:** [@jeremycouillard](https://forums.unrealengine.com/u/jeremycouillard)\ **Replies:** 2\ **Last updated:** [August 21, 2021, 2:23pm UTC](https://forums.unrealengine.com/t/default-property-warning-at-startup/328151 "2021-08-21T14:23:31Z")
When I start up my project at 45% I get this error: Default Property warnings and errors: Error: CDO Constructor (ThumbnailManager): Failed to find /Engine/MapTemplates/Sky/DaylightAmbientCubemap Before the error I w… --- ## [UE 4.26.0 crash on first startup](https://forums.unrealengine.com/t/ue-4-26-0-crash-on-first-startup/478001)
**Author:** [@vhastorga](https://forums.unrealengine.com/u/vhastorga)\ **Replies:** 1\ **Last updated:** [July 19, 2021, 6:10am UTC](https://forums.unrealengine.com/t/ue-4-26-0-crash-on-first-startup/478001 "2021-07-19T06:10:29Z")
After performing a fresh installation of Debian Buster. Installing the updated Nvidia drivers for NVS 310 (NVIDIA-Linux-x86\_64-390.141 last update January 2021) and having successfully installed the vulkan drivers, the r… --- ## [Please help, project suddenly crashing on startup, trying to provide updates for Megagrant App](https://forums.unrealengine.com/t/please-help-project-suddenly-crashing-on-startup-trying-to-provide-updates-for-megagrant-app/481180)
**Author:** [@baylife314](https://forums.unrealengine.com/u/baylife314)\ **Replies:** 6\ **Last updated:** [April 3, 2021, 7:49am UTC](https://forums.unrealengine.com/t/please-help-project-suddenly-crashing-on-startup-trying-to-provide-updates-for-megagrant-app/481180 "2021-04-03T07:49:08Z")
This project has been working great for 3 months with minimal crashes. I closed the project yesterday after working on it all day with no issues. Today, I went to try to open it and it randomly crashes and shows an error… --- ## [A 3d11 error](https://forums.unrealengine.com/t/a-3d11-error/475950)
**Author:** [@anonymous\_user\_2454758c](https://forums.unrealengine.com/u/anonymous_user_2454758c)\ **Replies:** 3\ **Last updated:** [June 21, 2021, 9:13am UTC](https://forums.unrealengine.com/t/a-3d11-error/475950 "2021-06-21T09:13:10Z")
HELLO GUYS I AM EAGERLY DOWNLOADED UNREAL ENGINE WITH A LOT OF DREAMS.WHEN I FINALLY INSTALLED .WHEN I START UNREAL ENGINE I AM GETTING THE ( A D3D11-compatible GPU(feauture level 11.0,shader model 5.0)is required to run… [Next page](https://forums.unrealengine.com/tag/startup/816.md?match_all_tags=true&page=1&tags%5B%5D=startup)