# \#launch **URL:** https://forums.unrealengine.com/tag/launch/461.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Vornyca - Gameplay Trailer](https://forums.unrealengine.com/t/vornyca-gameplay-trailer/2672935)
**Author:** [@Dr.Raven](https://forums.unrealengine.com/u/Dr.Raven)\ **Replies:** 0\ **Last updated:** [November 8, 2025, 9:27am UTC](https://forums.unrealengine.com/t/vornyca-gameplay-trailer/2672935 "2025-11-08T09:27:24Z")
Launching on November 11th on the Epic Games Store for only $4.99. https://store.epicgames.com/hu/p/vornyca-987482 Vornyca is a side-scrolling sci-fi action platformer that blends exploration, atmospheric storytelling,… --- ## [Launching project on Steam Deck from Mac](https://forums.unrealengine.com/t/launching-project-on-steam-deck-from-mac/2547285)
**Author:** [@Grimwolf](https://forums.unrealengine.com/u/Grimwolf)\ **Replies:** 0\ **Last updated:** [June 8, 2025, 8:16pm UTC](https://forums.unrealengine.com/t/launching-project-on-steam-deck-from-mac/2547285 "2025-06-08T20:16:44Z")
I know from the documentation that you can use the Steam Deck like a dev kit and launch a project directly to it for testing. But I’m wondering if this only works when running UE5 on a Windows device, or if this can also… --- ## [Wind force mechanic](https://forums.unrealengine.com/t/wind-force-mechanic/439563)
**Author:** [@kaosrio](https://forums.unrealengine.com/u/kaosrio)\ **Replies:** 4\ **Last updated:** [June 3, 2025, 1:51am UTC](https://forums.unrealengine.com/t/wind-force-mechanic/439563 "2025-06-03T01:51:43Z")
I’m currently trying to make a mechanic which is essentially a big fan, which will push the player (as well as physics objects) into the air. But i’m not sure how to achieve this. I’ve tried using “Launch player” althoug… --- ## [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… --- ## [StandAlone Launch Issue](https://forums.unrealengine.com/t/standalone-launch-issue/2448674)
**Author:** [@user\_e4af5306dc3668d4fabcf41c383ef7b774d656501864a7c1c2dd94](https://forums.unrealengine.com/u/user_e4af5306dc3668d4fabcf41c383ef7b774d656501864a7c1c2dd94)\ **Replies:** 0\ **Last updated:** [April 9, 2025, 9:07pm UTC](https://forums.unrealengine.com/t/standalone-launch-issue/2448674 "2025-04-09T21:07:21Z")
Anyone can explain/help? just take a look so wierd --- ## [Win10 UE 5.5.3 process idle for 10-15mins before showing UE splash screen ](https://forums.unrealengine.com/t/win10-ue-5-5-3-process-idle-for-10-15mins-before-showing-ue-splash-screen/2355069)
**Author:** [@dzigolo1H](https://forums.unrealengine.com/u/dzigolo1H)\ **Replies:** 4\ **Last updated:** [March 2, 2025, 10:03pm UTC](https://forums.unrealengine.com/t/win10-ue-5-5-3-process-idle-for-10-15mins-before-showing-ue-splash-screen/2355069 "2025-03-02T22:03:48Z")
Hey there! I am not sure what happened but around 2 weeks ago when I sat down to launch UE from the Epic Launcher… nothing launched. I thought that maybe it is a hiccup, so after a few minutes I killed the process in t… --- ## [Launching to wifi-connected android device fails](https://forums.unrealengine.com/t/launching-to-wifi-connected-android-device-fails/372506)
**Author:** [@FrickeF](https://forums.unrealengine.com/u/FrickeF)\ **Replies:** 2\ **Last updated:** [October 8, 2024, 3:40pm UTC](https://forums.unrealengine.com/t/launching-to-wifi-connected-android-device-fails/372506 "2024-10-08T15:40:14Z")
Hey there, I’m currently trying to launch on a note 7 which is connected via wifi as outlined here: https://docs.unrealengine.com/latest/INT/Platforms/GearVR/Debugging/index.html#wirelessdeploying&debugging Most of it … --- ## [is it possible to parallelize module loading at the startup of the editor ?](https://forums.unrealengine.com/t/is-it-possible-to-parallelize-module-loading-at-the-startup-of-the-editor/2052079)
**Author:** [@Smallpox](https://forums.unrealengine.com/u/Smallpox)\ **Replies:** 0\ **Last updated:** [October 3, 2024, 9:41pm UTC](https://forums.unrealengine.com/t/is-it-possible-to-parallelize-module-loading-at-the-startup-of-the-editor/2052079 "2024-10-03T21:41:19Z")
Hello, I’m working on reducing the launch time for the editor on my project. I noticed that maybe half of my time is spent loading modules and a lot of them doesn’t have dependencies to each other so I was wondering if … --- ## [Launch and Package creating 'old' version of game](https://forums.unrealengine.com/t/launch-and-package-creating-old-version-of-game/310103)
**Author:** [@sticky-bits](https://forums.unrealengine.com/u/sticky-bits)\ **Replies:** 23\ **Last updated:** [July 24, 2024, 6:27am UTC](https://forums.unrealengine.com/t/launch-and-package-creating-old-version-of-game/310103 "2024-07-24T06:27:09Z")
Hey, I’m using the Stylized Kingdom example map, and I’ve added a few custom classes and made a whole bunch of changes. When I play in PIE mode, everything works great, but if I Launch or Package my game, it’s creating… --- ## [Unreal Crashes upon launch](https://forums.unrealengine.com/t/unreal-crashes-upon-launch/1873256)
**Author:** [@nounouno5402](https://forums.unrealengine.com/u/nounouno5402)\ **Replies:** 7\ **Last updated:** [May 26, 2024, 5:32pm UTC](https://forums.unrealengine.com/t/unreal-crashes-upon-launch/1873256 "2024-05-26T17:32:09Z")
Please select what you are reporting on: Creative What Type of Bug are you experiencing? Other Summary Unreal Crashes upon launch. Steps to Reproduce Set two languages on windows 11 Microsoft IME English Set Langua… --- ## [Launch Character Inconsistent displacement](https://forums.unrealengine.com/t/launch-character-inconsistent-displacement/1887435)
**Author:** [@TonyStarchXD](https://forums.unrealengine.com/u/TonyStarchXD)\ **Replies:** 1\ **Last updated:** [June 3, 2024, 5:58pm UTC](https://forums.unrealengine.com/t/launch-character-inconsistent-displacement/1887435 "2024-06-03T17:58:26Z")
When I use the Launch Character node with ZOverride I would expect the same Z displacement if its triggered from on ground or while Falling. If triggered while on ground, the velocity should be applied (eg. (0.00, 0.0… --- ## [How to execute ONCE and FOR ALL ?](https://forums.unrealengine.com/t/how-to-execute-once-and-for-all/468430)
**Author:** [@UraniumBonBeurre](https://forums.unrealengine.com/u/UraniumBonBeurre)\ **Replies:** 8\ **Last updated:** [May 29, 2024, 4:29pm UTC](https://forums.unrealengine.com/t/how-to-execute-once-and-for-all/468430 "2024-05-29T16:29:44Z")
Hi guys, I want my game to load settings just once and for all ONLY when the player launch the game. Therefore DO ONCE functions are not working in this case… How do I do that? --- ## ["Unable to play, validation failed" When launching session. First map creation](https://forums.unrealengine.com/t/unable-to-play-validation-failed-when-launching-session-first-map-creation/1857725)
**Author:** [@yungguiri](https://forums.unrealengine.com/u/yungguiri)\ **Replies:** 1\ **Last updated:** [May 21, 2024, 12:23am UTC](https://forums.unrealengine.com/t/unable-to-play-validation-failed-when-launching-session-first-map-creation/1857725 "2024-05-21T00:23:12Z")
Hi everyone! I’m new to map creating (really enjoying it actually) and i’m trying to launch a session to see how it looks in game. Whenever i launch, I get an error saying “Unable to play, validation failed” and idk ho… --- ## [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… --- ## [Error when I try to quick launch my project](https://forums.unrealengine.com/t/error-when-i-try-to-quick-launch-my-project/1784811)
**Author:** [@ZNRDev](https://forums.unrealengine.com/u/ZNRDev)\ **Replies:** 0\ **Last updated:** [April 3, 2024, 4:17am UTC](https://forums.unrealengine.com/t/error-when-i-try-to-quick-launch-my-project/1784811 "2024-04-03T04:17:59Z")
Hello there, I need help. For some reason, whenever I try to quick launch my project in Unreal Engine 5.3.2, I get this error: You may have to build the UE project with your IDE. Alternatively, build using UnrealBuildT… --- ## [Automation Tool Failed During Launch](https://forums.unrealengine.com/t/automation-tool-failed-during-launch/293831)
**Author:** [@MC\_Stryker](https://forums.unrealengine.com/u/MC_Stryker)\ **Replies:** 40\ **Last updated:** [March 7, 2024, 3:43pm UTC](https://forums.unrealengine.com/t/automation-tool-failed-during-launch/293831 "2024-03-07T15:43:50Z")
Hey Guys, I just was excited to try and package up the first non-editor based build of my prototype. So I couldn’t find Unreal FrontEnd if that still exists these days and am very tired so I took a lazy approach before … --- ## [Why do I fall through the floor when launching, but not playing in the editor?](https://forums.unrealengine.com/t/why-do-i-fall-through-the-floor-when-launching-but-not-playing-in-the-editor/299110)
**Author:** [@anonymous\_user\_dd088515](https://forums.unrealengine.com/u/anonymous_user_dd088515)\ **Replies:** 5\ **Last updated:** [February 7, 2024, 9:04pm UTC](https://forums.unrealengine.com/t/why-do-i-fall-through-the-floor-when-launching-but-not-playing-in-the-editor/299110 "2024-02-07T21:04:48Z")
I have seen one other person who had a similar issue, but I was not able to resolve it from the answers there. Basically when I launch the game I immediately fall through the floor, but I can play in editor just fine. … --- ## [command line arguments in Bootstrap executable](https://forums.unrealengine.com/t/command-line-arguments-in-bootstrap-executable/1627037)
**Author:** [@gevoorg](https://forums.unrealengine.com/u/gevoorg)\ **Replies:** 0\ **Last updated:** [January 19, 2024, 7:52pm UTC](https://forums.unrealengine.com/t/command-line-arguments-in-bootstrap-executable/1627037 "2024-01-19T19:52:38Z")
Hi everyone, can I add command line arguments in BootstrapPackagedGame ? --- ## [Bundle identifier always being set to com.epicgames.MyProject no matter what](https://forums.unrealengine.com/t/bundle-identifier-always-being-set-to-com-epicgames-myproject-no-matter-what/306832)
**Author:** [@Architekt](https://forums.unrealengine.com/u/Architekt)\ **Replies:** 20\ **Last updated:** [December 18, 2023, 1:18am UTC](https://forums.unrealengine.com/t/bundle-identifier-always-being-set-to-com-epicgames-myproject-no-matter-what/306832 "2023-12-18T01:18:36Z")
Under Platforms-\>iOS I have set the bundle identifier to what it should be. I have selected the appropriate provision and certificate. When I go to launch on my phone it keeps telling me it can’t sign it because nothing … --- ## [UE4Game.target does not exist](https://forums.unrealengine.com/t/ue4game-target-does-not-exist/466333)
**Author:** [@Schais\_Fortnite](https://forums.unrealengine.com/u/Schais_Fortnite)\ **Replies:** 3\ **Last updated:** [November 1, 2023, 4:45pm UTC](https://forums.unrealengine.com/t/ue4game-target-does-not-exist/466333 "2023-11-01T16:45:48Z")
For some reason when i try to package my game it says in the output log: LogLauncherProfile: Unable to use promoted target - …/…/…/…/Game Unreal Engine 4/Abschlussarbeit2D 4.25 - 2/Binaries/Win64/UE4Game.target does not… --- ## [Right click (on uproject-file) launch game not availible](https://forums.unrealengine.com/t/right-click-on-uproject-file-launch-game-not-availible/472719)
**Author:** [@TheKlikluk](https://forums.unrealengine.com/u/TheKlikluk)\ **Replies:** 5\ **Last updated:** [October 30, 2023, 6:42am UTC](https://forums.unrealengine.com/t/right-click-on-uproject-file-launch-game-not-availible/472719 "2023-10-30T06:42:11Z")
I am working in a team with remote developers and we are developing a multiplayer game using the advanced session and steam online subsystem. There apparently is a bug that stops the steam overlay from working when the g… --- ## [Launching Android Gets Stuck (Compiling Shaders) \[UE 4.27.2\]](https://forums.unrealengine.com/t/launching-android-gets-stuck-compiling-shaders-ue-4-27-2/1313050)
**Author:** [@DuckJohnn](https://forums.unrealengine.com/u/DuckJohnn)\ **Replies:** 2\ **Last updated:** [September 30, 2023, 9:31am UTC](https://forums.unrealengine.com/t/launching-android-gets-stuck-compiling-shaders-ue-4-27-2/1313050 "2023-09-30T09:31:25Z")
Hi. I’m trying to launch my project on Android, but waiting for a while it seems like launching isn’t going to happen, like never… I’ve been waiting for at least half an hour and nothing else has happened… Here is f… --- ## [UEFN ERROR. Need Help](https://forums.unrealengine.com/t/uefn-error-need-help/851066)
**Author:** [@LeviAMOUR](https://forums.unrealengine.com/u/LeviAMOUR)\ **Replies:** 0\ **Last updated:** [April 5, 2023, 10:34am UTC](https://forums.unrealengine.com/t/uefn-error-need-help/851066 "2023-04-05T10:34:02Z")
I’m in UEFN and having trouble launching my session, I’ve attached a photo. Any help would be great --- ## [Editor crash on launch](https://forums.unrealengine.com/t/editor-crash-on-launch/277738)
**Author:** [@hoodoo\_1](https://forums.unrealengine.com/u/hoodoo_1)\ **Replies:** 7\ **Last updated:** [March 27, 2023, 4:48pm UTC](https://forums.unrealengine.com/t/editor-crash-on-launch/277738 "2023-03-27T16:48:10Z")
Macbook Pro Quad-core 2.2 Ghz, 8Gb RAM, AMD Radeon HD 6750M 1024 MB Parallels (newest version) running Windows 7 64 bit with 4Gb configured. Crashes immediately on launch: Log file open, 03/21/14 10:20:14 LogModuleMa… --- ## [Head stuck to floor on Launch](https://forums.unrealengine.com/t/head-stuck-to-floor-on-launch/488843)
**Author:** [@david88DYN](https://forums.unrealengine.com/u/david88DYN)\ **Replies:** 2\ **Last updated:** [February 28, 2023, 3:56pm UTC](https://forums.unrealengine.com/t/head-stuck-to-floor-on-launch/488843 "2023-02-28T15:56:24Z")
Runs perfect in Editor. Once Launched the camera is stuck to the floor. I can see my hands moving around and receiving inputs for teleport through the monitor but not the HMD. I’m using the VR template. No errors occur … --- ## [UE5 Launch failed (error code](https://forums.unrealengine.com/t/ue5-launch-failed-error-code/680865)
**Author:** [@Ritterbecks](https://forums.unrealengine.com/u/Ritterbecks)\ **Replies:** 0\ **Last updated:** [October 31, 2022, 2:00pm UTC](https://forums.unrealengine.com/t/ue5-launch-failed-error-code/680865 "2022-10-31T14:00:49Z")
Hi There, i can’t open unreal engine anymore from my library. i get the error message below. Restarting the launcher or veryfing the unreal engine version both dont work. Any help would be greatly appreciated!!! --- ## [Oculus Quest not being detected by Unreal Engine](https://forums.unrealengine.com/t/oculus-quest-not-being-detected-by-unreal-engine/450960)
**Author:** [@brianmcdevitt](https://forums.unrealengine.com/u/brianmcdevitt)\ **Replies:** 12\ **Last updated:** [October 23, 2022, 11:29am UTC](https://forums.unrealengine.com/t/oculus-quest-not-being-detected-by-unreal-engine/450960 "2022-10-23T11:29:04Z")
My Oculus Quest is not showing up in the Launch drop down or in the Device Manager list even though it is showing up in adb devices. I set up my device and computer according to instructions online and it doesn’t seem to… --- ## [Create my own game launcher](https://forums.unrealengine.com/t/create-my-own-game-launcher/673001)
**Author:** [@TheNoobDeveloper](https://forums.unrealengine.com/u/TheNoobDeveloper)\ **Replies:** 0\ **Last updated:** [October 19, 2022, 7:10pm UTC](https://forums.unrealengine.com/t/create-my-own-game-launcher/673001 "2022-10-19T19:10:06Z")
Hey Guys, is there is any way to create a standalone game launcher for my game to make users login, download it and update it from the launcher --- ## [Android crash on startup (AndroidPlatformFile.cpp)](https://forums.unrealengine.com/t/android-crash-on-startup-androidplatformfile-cpp/462873)
**Author:** [@haferx](https://forums.unrealengine.com/u/haferx)\ **Replies:** 1\ **Last updated:** [October 7, 2022, 9:01pm UTC](https://forums.unrealengine.com/t/android-crash-on-startup-androidplatformfile-cpp/462873 "2022-10-07T21:01:42Z")
ISSUE Game crashing on Android 10 immediately after Splash screen. Working fine on Android 8 UE4 version: 4.23.1 Texture Compression: ETC2 ETC1 CRASH LOG 03-25 14:10:59.310 10326 10326 D UE4 : ==============\> G… --- ## [How to launch multiple levels to Android?](https://forums.unrealengine.com/t/how-to-launch-multiple-levels-to-android/283053)
**Author:** [@ahopps01](https://forums.unrealengine.com/u/ahopps01)\ **Replies:** 13\ **Last updated:** [September 2, 2022, 2:37am UTC](https://forums.unrealengine.com/t/how-to-launch-multiple-levels-to-android/283053 "2022-09-02T02:37:25Z")
Hello, I am able to successfully launch individual levels to my Nexus 7 for testing but using Open Level to proceed to the next map opens the default Example\_Map rather than the correct map. The level loads correctly wh… [Next page](https://forums.unrealengine.com/tag/launch/461.md?match_all_tags=true&page=1&tags%5B%5D=launch)