# \#editor-crash-on-laun **URL:** https://forums.unrealengine.com/tag/editor-crash-on-laun/1300.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Editor stuck at 0% cpu usage and won't launch](https://forums.unrealengine.com/t/editor-stuck-at-0-cpu-usage-and-wont-launch/464651)
**Author:** [@WGT\_Creative](https://forums.unrealengine.com/u/WGT_Creative)\ **Replies:** 5\ **Last updated:** [December 29, 2024, 11:03pm UTC](https://forums.unrealengine.com/t/editor-stuck-at-0-cpu-usage-and-wont-launch/464651 "2024-12-29T23:03:03Z")
Unreal just stays at zero percent usage on my cpu and never launches. I’ve tried: launching the editor directly from the binaries folder (several different engine versions) running as an admin reinstalling Unreal Updat… --- ## [UEFN Editor Hanging When Opening](https://forums.unrealengine.com/t/uefn-editor-hanging-when-opening/1232864)
**Author:** [@ReasonableDad](https://forums.unrealengine.com/u/ReasonableDad)\ **Replies:** 4\ **Last updated:** [August 11, 2023, 10:27pm UTC](https://forums.unrealengine.com/t/uefn-editor-hanging-when-opening/1232864 "2023-08-11T22:27:39Z")
Hi, when opening the editor I get an error about one of my landscapes and it just kind of hangs at that point. I can’t click on anything or even minimize the window. Any idea on a workaround? Can I reset my local project… --- ## [UE5 Start Problem](https://forums.unrealengine.com/t/ue5-start-problem/489671)
**Author:** [@md.alzari](https://forums.unrealengine.com/u/md.alzari)\ **Replies:** 6\ **Last updated:** [October 9, 2021, 10:14pm UTC](https://forums.unrealengine.com/t/ue5-start-problem/489671 "2021-10-09T22:14:36Z")
What are you attempting to run it on? --- ## [Editor crash in change of using variable type in blueprint](https://forums.unrealengine.com/t/editor-crash-in-change-of-using-variable-type-in-blueprint/466200)
**Author:** [@jse140591](https://forums.unrealengine.com/u/jse140591)\ **Replies:** 6\ **Last updated:** [April 14, 2021, 5:40pm UTC](https://forums.unrealengine.com/t/editor-crash-in-change-of-using-variable-type-in-blueprint/466200 "2021-04-14T17:40:28Z")
Hello everyone. I made a type change in a variable (Color → LinearColor) that I was already using in some nodes in a blueprint. When saving and compiling, the editor crashed. Now, when trying to open the editor, it is … --- ## [Slate.dll Error, UE4 Editor Crash :Image Attached](https://forums.unrealengine.com/t/slate-dll-error-ue4-editor-crash-image-attached/292755)
**Author:** [@UE2OSNAP\_1](https://forums.unrealengine.com/u/UE2OSNAP_1)\ **Replies:** 1\ **Last updated:** [March 24, 2021, 6:37am UTC](https://forums.unrealengine.com/t/slate-dll-error-ue4-editor-crash-image-attached/292755 "2021-03-24T06:37:08Z")
Hi there, Background: I was working on SlateWidget’s in unreal and may have mistakenly edited an unreal file - causing the build to recompile the entire engine.Yes careless, I know :frowning: Problem: The build itsel… --- ## [Editor crash on launch even after clean reinstall (mac)](https://forums.unrealengine.com/t/editor-crash-on-launch-even-after-clean-reinstall-mac/472439)
**Author:** [@the\_nikola](https://forums.unrealengine.com/u/the_nikola)\ **Replies:** 3\ **Last updated:** [November 5, 2020, 4:47pm UTC](https://forums.unrealengine.com/t/editor-crash-on-launch-even-after-clean-reinstall-mac/472439 "2020-11-05T16:47:59Z")
Error msg states cant find /Users/build/.../SharedPointer.h and indeed I dont have a /Users/build folder at all. Somewhat fixed by installing a prior version of the engine (as I suddenly couldn’t get 4.25 to run anymore… --- ## [Project will not open or fully crash](https://forums.unrealengine.com/t/project-will-not-open-or-fully-crash/472157)
**Author:** [@anon89281381](https://forums.unrealengine.com/u/anon89281381)\ **Replies:** 4\ **Last updated:** [September 30, 2020, 12:21pm UTC](https://forums.unrealengine.com/t/project-will-not-open-or-fully-crash/472157 "2020-09-30T12:21:42Z")
While I was editing a color on a UI element I hit undo without thinking it might be a bit wonky to do so while the color picker was still open. The editor crashed out, and silly me not thinking tried rebuilding everythin… --- ## [Editor Crashes on Startup - Assertion failed: !IsInRenderingThread](https://forums.unrealengine.com/t/editor-crashes-on-startup-assertion-failed-isinrenderingthread/470463)
**Author:** [@anonymous\_user\_bbcae9541](https://forums.unrealengine.com/u/anonymous_user_bbcae9541)\ **Replies:** 0\ **Last updated:** [August 31, 2020, 6:34am UTC](https://forums.unrealengine.com/t/editor-crashes-on-startup-assertion-failed-isinrenderingthread/470463 "2020-08-31T06:34:53Z")
I’m having issues opening my project with the engine, when I just launch the game without the editor (right click on the uproject and launch game) the map loads fine, but with editor it crashes. The stacktrace doesn’t i… --- ## [UE\_4.16.3.0 Failing to open even empty project](https://forums.unrealengine.com/t/ue-4-16-3-0-failing-to-open-even-empty-project/464228)
**Author:** [@anonymous\_user\_75815b97](https://forums.unrealengine.com/u/anonymous_user_75815b97)\ **Replies:** 1\ **Last updated:** [April 25, 2020, 11:23am UTC](https://forums.unrealengine.com/t/ue-4-16-3-0-failing-to-open-even-empty-project/464228 "2020-04-25T11:23:14Z")
I cannot open even an empty project using this editor, although 4.24.3 works ok, and 4.12.3. Are there any suggestions for known conflicts or outstanding issues that are due to be resolved? The loading spash screen upd… --- ## [Linux: Couldn't set association for project. Check the file is writable](https://forums.unrealengine.com/t/linux-couldnt-set-association-for-project-check-the-file-is-writable/454873)
**Author:** [@mjsolidarios](https://forums.unrealengine.com/u/mjsolidarios)\ **Replies:** 0\ **Last updated:** [September 5, 2019, 4:00am UTC](https://forums.unrealengine.com/t/linux-couldnt-set-association-for-project-check-the-file-is-writable/454873 "2019-09-05T04:00:04Z")
Cannot run the editor (4.22.1-0+++UE4+Release-4.22 517 0 ) in Linux after a fresh installation. I’ve seen solutions for Windows but is there a work-around on Linux? I’m using Ubuntu 19.04. --- ## [Error when Editor starts](https://forums.unrealengine.com/t/error-when-editor-starts/453761)
**Author:** [@GameSoldier](https://forums.unrealengine.com/u/GameSoldier)\ **Replies:** 1\ **Last updated:** [August 12, 2019, 6:08pm UTC](https://forums.unrealengine.com/t/error-when-editor-starts/453761 "2019-08-12T18:08:22Z")
When i start the UE4 i now get this Error. I dont know what i could have done to get this. Please Help me. --- ## [Why does the editor crash at 35% every time?](https://forums.unrealengine.com/t/why-does-the-editor-crash-at-35-every-time/332259)
**Author:** [@Callas](https://forums.unrealengine.com/u/Callas)\ **Replies:** 10\ **Last updated:** [April 9, 2019, 11:57am UTC](https://forums.unrealengine.com/t/why-does-the-editor-crash-at-35-every-time/332259 "2019-04-09T11:57:49Z")
I’ve tried starting the editor from the launcher and directly from the .exe file. I have reinstalled 4.8.3 twice. I have reinstalled the entire launcher twice. And I have updated the drivers for my graphics card to th… --- ## [Crash on launch](https://forums.unrealengine.com/t/crash-on-launch/319847)
**Author:** [@Ian\_Proulx](https://forums.unrealengine.com/u/Ian_Proulx)\ **Replies:** 8\ **Last updated:** [February 5, 2019, 7:40am UTC](https://forums.unrealengine.com/t/crash-on-launch/319847 "2019-02-05T07:40:57Z")
When launching my project gets to 83% and then crashes. This happened once before and I could never figure it out so I just threw away my project and started over. But this time I have substantial work that I’ve done a… --- ## [Started making my game yesterday, wakeup and cant launch it?](https://forums.unrealengine.com/t/started-making-my-game-yesterday-wakeup-and-cant-launch-it/434055)
**Author:** [@declanc01](https://forums.unrealengine.com/u/declanc01)\ **Replies:** 0\ **Last updated:** [September 19, 2018, 11:42am UTC](https://forums.unrealengine.com/t/started-making-my-game-yesterday-wakeup-and-cant-launch-it/434055 "2018-09-19T11:42:43Z")
Getting this error when i try to launch the editor. This comes up in the crash report It comes up with this when it crashes. Assertion failed: SerializedElementSize == 0 || SerializedElementSize == ElementSize \[Fil… --- ## [Editor crashes when opening on main laptop display](https://forums.unrealengine.com/t/editor-crashes-when-opening-on-main-laptop-display/426091)
**Author:** [@JoeFBoyd](https://forums.unrealengine.com/u/JoeFBoyd)\ **Replies:** 1\ **Last updated:** [May 29, 2018, 5:28pm UTC](https://forums.unrealengine.com/t/editor-crashes-when-opening-on-main-laptop-display/426091 "2018-05-29T17:28:41Z")
I have an Alienware m14xR1 laptop with an external monitor connected via HDMI port, so I’m working with two displays. I have been developing a C++ UE4 project (currently on UE 4.19.1) with this setup for almost a year no… --- ## [Project loading crash at 90%](https://forums.unrealengine.com/t/project-loading-crash-at-90/422790)
**Author:** [@anonymous\_user\_d551bcd9](https://forums.unrealengine.com/u/anonymous_user_d551bcd9)\ **Replies:** 1\ **Last updated:** [April 16, 2018, 7:36pm UTC](https://forums.unrealengine.com/t/project-loading-crash-at-90/422790 "2018-04-16T19:36:16Z")
First time run ./UE4Editor which C++ empty project was created and shader run up to 90% for about 4 times and crash. MyProject was created and not able to launch. Please see the attached crash report. Thanks. OS: Ubuntu… --- ## [Unreal Editor Crash when reopening with ConstructorHelpers](https://forums.unrealengine.com/t/unreal-editor-crash-when-reopening-with-constructorhelpers/418963)
**Author:** [@Oblongamous](https://forums.unrealengine.com/u/Oblongamous)\ **Replies:** 1\ **Last updated:** [March 6, 2018, 1:18pm UTC](https://forums.unrealengine.com/t/unreal-editor-crash-when-reopening-with-constructorhelpers/418963 "2018-03-06T13:18:43Z")
UStaticMeshComponent\* Box = CreateDefaultSubobject(TEXT(“Visual Representation”)); Box-\>SetupAttachment(RootComponent); static ConstructorHelpers::FObjectFinder BoxAsset(TEXT("/Game/Meshes/Debugs/Box.Box")); if (BoxA… --- ## [Project loading always crashes at 52%](https://forums.unrealengine.com/t/project-loading-always-crashes-at-52/414712)
**Author:** [@anonymous\_user\_59bd7175](https://forums.unrealengine.com/u/anonymous_user_59bd7175)\ **Replies:** 7\ **Last updated:** [January 16, 2018, 7:35pm UTC](https://forums.unrealengine.com/t/project-loading-always-crashes-at-52/414712 "2018-01-16T19:35:28Z")
The crash window has a link to a folder where the crash log files are saved. Could you share any additional insights from them? If you start with a brand new project, does it still crash or is it just the project you ar… --- ## [Editor freeze the computer](https://forums.unrealengine.com/t/editor-freeze-the-computer/401296)
**Author:** [@leotada](https://forums.unrealengine.com/u/leotada)\ **Replies:** 10\ **Last updated:** [November 26, 2017, 10:18am UTC](https://forums.unrealengine.com/t/editor-freeze-the-computer/401296 "2017-11-26T10:18:14Z")
I was running compliled UE4 editor 4.16 fine, until I have to format my disk partitins and restore the system like before, but now the editor not launch, it’s freeze my computer. I’ve not modified nothing on my linux bey… --- ## [UE4.16.3 Editor won't load past 35%](https://forums.unrealengine.com/t/ue4-16-3-editor-wont-load-past-35/406935)
**Author:** [@anonymous\_user\_a857df8e1](https://forums.unrealengine.com/u/anonymous_user_a857df8e1)\ **Replies:** 0\ **Last updated:** [October 13, 2017, 1:33pm UTC](https://forums.unrealengine.com/t/ue4-16-3-editor-wont-load-past-35/406935 "2017-10-13T13:33:11Z")
My editor won’t load past 35% I used previous questions on here and deleted my DerivedData folder as suggested to no luck. I’ve deleted and reinstalled everything. Can launch 4.15.3 no problem. Running OS Sierra 10.12.… --- ## [Crash on launch on Mac](https://forums.unrealengine.com/t/crash-on-launch-on-mac/302980)
**Author:** [@Sudorossy](https://forums.unrealengine.com/u/Sudorossy)\ **Replies:** 7\ **Last updated:** [October 5, 2017, 8:30pm UTC](https://forums.unrealengine.com/t/crash-on-launch-on-mac/302980 "2017-10-05T20:30:02Z")
Installed UE4 on my , crashes on launch. Specs of Laptop 13" (Late 2013) 128GB SSD 4GB RAM Iris graphics (1.5GB) OSX Yosemite fully updated (as of 4th January 2015) I’ve tried 4.6.1, 4.5.1 and even 4.7 preview. l… --- ## [Crash preventing editor from launching Hotfix 4.17.1 (on macOS Sierra 10.12.6)](https://forums.unrealengine.com/t/crash-preventing-editor-from-launching-hotfix-4-17-1-on-macos-sierra-10-12-6/402118)
**Author:** [@shatieshack78](https://forums.unrealengine.com/u/shatieshack78)\ **Replies:** 18\ **Last updated:** [September 27, 2017, 2:48pm UTC](https://forums.unrealengine.com/t/crash-preventing-editor-from-launching-hotfix-4-17-1-on-macos-sierra-10-12-6/402118 "2017-09-27T14:48:27Z")
I just updated to Hotfix 4.17.1 yesterday. Since the update, I can no longer launch the editor. I have tried to launch the editor from the Epic Games Launcher as well as straight from the Finder. The Editor doesn’t eve… --- ## [Can't launch editor anymore - instant crash](https://forums.unrealengine.com/t/cant-launch-editor-anymore-instant-crash/405355)
**Author:** [@WixZ](https://forums.unrealengine.com/u/WixZ)\ **Replies:** 0\ **Last updated:** [September 24, 2017, 6:14pm UTC](https://forums.unrealengine.com/t/cant-launch-editor-anymore-instant-crash/405355 "2017-09-24T18:14:38Z")
Hello, I tried to fix 4.17 latency issues which is related to: \[SystemSettings\] net.UseAdaptiveNetUpdateFrequency = 0 So I added this line, but I accidently added it to WindowsEngine.ini and that broke my project. I … --- ## [Editor Fails To Launch After Building With VS](https://forums.unrealengine.com/t/editor-fails-to-launch-after-building-with-vs/404514)
**Author:** [@anonymous\_user\_785b1241](https://forums.unrealengine.com/u/anonymous_user_785b1241)\ **Replies:** 0\ **Last updated:** [September 13, 2017, 10:20pm UTC](https://forums.unrealengine.com/t/editor-fails-to-launch-after-building-with-vs/404514 "2017-09-13T22:20:52Z")
Windows 10 - Bootcamp - DirectX 12 iMac (Retina 5K, 27-inch, Late 2015) 3.3 GHz Intel Core i5 24 GB 1600 MHz DDR3 AMD Radeon R9 M395 2048 MB Im having a graphics problem when trying to run an unreal project in the e… --- ## [Setting StartInVR to true causes editor to crash on startup](https://forums.unrealengine.com/t/setting-startinvr-to-true-causes-editor-to-crash-on-startup/397983)
**Author:** [@SlimeQ](https://forums.unrealengine.com/u/SlimeQ)\ **Replies:** 0\ **Last updated:** [July 27, 2017, 7:12pm UTC](https://forums.unrealengine.com/t/setting-startinvr-to-true-causes-editor-to-crash-on-startup/397983 "2017-07-27T19:12:58Z")
Yesterday I checked the “Start in VR” checkbox in project settings because I want my VR game to play nice with steam. I made a few packages last night without closing the editor, and it all worked fine. Today, I went to … --- ## [Major problem upon closing the editor](https://forums.unrealengine.com/t/major-problem-upon-closing-the-editor/397446)
**Author:** [@SomeDude12](https://forums.unrealengine.com/u/SomeDude12)\ **Replies:** 1\ **Last updated:** [July 15, 2017, 11:23pm UTC](https://forums.unrealengine.com/t/major-problem-upon-closing-the-editor/397446 "2017-07-15T23:23:01Z")
So i had the editor open working on the project. Decide to make backup. Close the editor do backup. Open the editor, at 93% get this. I delete SG\_PlayerItemsInBp (the last class reported with error) project opens and man… --- ## [UE4Editor-onlinesubsystems.dll is missing](https://forums.unrealengine.com/t/ue4editor-onlinesubsystems-dll-is-missing/390056)
**Author:** [@Trinatis](https://forums.unrealengine.com/u/Trinatis)\ **Replies:** 3\ **Last updated:** [May 29, 2017, 3:16am UTC](https://forums.unrealengine.com/t/ue4editor-onlinesubsystems-dll-is-missing/390056 "2017-05-29T03:16:40Z")
while turning off plugins i got this error, i uninstalled 4.15 and reinstalled it. Is there a way to re download or re add the .dll file? The error i am getting is below also. … --- ## [Ue4 stopped working?](https://forums.unrealengine.com/t/ue4-stopped-working/371563)
**Author:** [@anonymous\_user\_151f7f09](https://forums.unrealengine.com/u/anonymous_user_151f7f09)\ **Replies:** 1\ **Last updated:** [April 30, 2017, 12:41pm UTC](https://forums.unrealengine.com/t/ue4-stopped-working/371563 "2017-04-30T12:41:28Z")
Whenever i start up my pproject it gives an error that it stopped working but when I create a new and then open the new one it opens…WHat is the problem? --- ## [Editor crashing on load](https://forums.unrealengine.com/t/editor-crashing-on-load/391380)
**Author:** [@Floggins](https://forums.unrealengine.com/u/Floggins)\ **Replies:** 6\ **Last updated:** [April 21, 2017, 3:13pm UTC](https://forums.unrealengine.com/t/editor-crashing-on-load/391380 "2017-04-21T15:13:01Z")
hey there. I’ve been working on my project all day without a hitch. I started a build and the build crashed. This was a shock because it has not happened to me yet, so I closed everything and now i can no longer start… --- ## [Editor Crash on opening project](https://forums.unrealengine.com/t/editor-crash-on-opening-project/391246)
**Author:** [@Bretonic](https://forums.unrealengine.com/u/Bretonic)\ **Replies:** 1\ **Last updated:** [April 18, 2017, 6:16pm UTC](https://forums.unrealengine.com/t/editor-crash-on-opening-project/391246 "2017-04-18T18:16:23Z")
Adding following lines of code caused my project to crash: for (int i = 0; i \< ItemData.ItemAreas.Num(); i++) { ItemData.ItemAreas\[i\].ItemAreaCollisionBox = CreateDefaultSubobject\(TEXT("Item Collision … [Next page](https://forums.unrealengine.com/tag/editor-crash-on-laun/1300.md?match_all_tags=true&page=1&tags%5B%5D=editor-crash-on-laun)