# \#dll-missing **URL:** https://forums.unrealengine.com/tag/dll-missing/866.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Failed to load 'aqProf.dll' , 'VtuneApi.dll' , 'VtuneApi32e.dll'](https://forums.unrealengine.com/t/failed-to-load-aqprof-dll-vtuneapi-dll-vtuneapi32e-dll/2542455)
**Author:** [@NotPasi\_TV](https://forums.unrealengine.com/u/NotPasi_TV)\ **Replies:** 6\ **Last updated:** [June 29, 2026, 2:50pm UTC](https://forums.unrealengine.com/t/failed-to-load-aqprof-dll-vtuneapi-dll-vtuneapi32e-dll/2542455 "2026-06-29T14:50:20Z")
My project is displaying the following errors, for which I cannot find a solution. When I open my project, the following error messages appear: LogWindows: Failed to load ‘aqProf.dll’ (GetLastError=126) LogWindows: Fi… --- ## [\[Dedicated Server\] Missing SDL3.dll when it starts...](https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162)
**Author:** [@Suundumused](https://forums.unrealengine.com/u/Suundumused)\ **Replies:** 23\ **Last updated:** [March 9, 2025, 11:53pm UTC](https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162 "2025-03-09T23:53:58Z")
Hello, I’ve been trying to solve this problem for months. I package the dedicated server for distribution, and when I start it, the following message appears: Assertion Failed: Missing SDL3.dll I’ve already tried copyin… --- ## [\[CRITICAL ERROR\] Fortnite Devices removed from content browser and Game due to Source Control Error / Repair Doesnt Work](https://forums.unrealengine.com/t/critical-error-fortnite-devices-removed-from-content-browser-and-game-due-to-source-control-error-repair-doesnt-work/1759606)
**Author:** [@PledgedRanger](https://forums.unrealengine.com/u/PledgedRanger)\ **Replies:** 10\ **Last updated:** [March 27, 2024, 9:45pm UTC](https://forums.unrealengine.com/t/critical-error-fortnite-devices-removed-from-content-browser-and-game-due-to-source-control-error-repair-doesnt-work/1759606 "2024-03-27T21:45:07Z")
CRITICAL ERROR RETURNS: FATAL ERROR - What do these mean? \[2024.03.20-03.40.42:930\]\[837\]LogWindows: Error: === Critical error: === \[2024.03.20-03.40.42:930\]\[837\]LogWindows: Error: \[2024.03.20-03.40.42:930\]\[837\]LogWindo… --- ## [UE5.1 C++, trouble loading .dll (FastNoise2) build with UE4CMake](https://forums.unrealengine.com/t/ue5-1-c-trouble-loading-dll-fastnoise2-build-with-ue4cmake/1300365)
**Author:** [@Stewinjo](https://forums.unrealengine.com/u/Stewinjo)\ **Replies:** 0\ **Last updated:** [September 17, 2023, 3:52pm UTC](https://forums.unrealengine.com/t/ue5-1-c-trouble-loading-dll-fastnoise2-build-with-ue4cmake/1300365 "2023-09-17T15:52:34Z")
Hey everyone, i am currently facing problems trying to use a .dll that i build with UE4CMake. Funnily enough i had it working for just the use in Editor till i tried to package the project and it broke completely. The … --- ## [VCRUNTIME140.dll is missing error? (Solved)](https://forums.unrealengine.com/t/vcruntime140-dll-is-missing-error-solved/426511)
**Author:** [@hellomodder](https://forums.unrealengine.com/u/hellomodder)\ **Replies:** 7\ **Last updated:** [May 21, 2023, 4:16pm UTC](https://forums.unrealengine.com/t/vcruntime140-dll-is-missing-error-solved/426511 "2023-05-21T16:16:12Z")
I tried to install ue4 4.10 to try to make a custom Mod-kit for Hello, Neighbor Alpha 1, I installed visual studio and it made my PC slow, so I uninstalled it, now none of my ue4 stuff works. is there a way to fix this w… --- ## [My project keep asking for myproject.dll](https://forums.unrealengine.com/t/my-project-keep-asking-for-myproject-dll/764215)
**Author:** [@AumieJaE](https://forums.unrealengine.com/u/AumieJaE)\ **Replies:** 3\ **Last updated:** [February 6, 2023, 1:48pm UTC](https://forums.unrealengine.com/t/my-project-keep-asking-for-myproject-dll/764215 "2023-02-06T13:48:17Z")
The file has already been generated but why wasn’t it included? --- ## [Missing DLL file](https://forums.unrealengine.com/t/missing-dll-file/415155)
**Author:** [@anonymous\_user\_1c46537c1](https://forums.unrealengine.com/u/anonymous_user_1c46537c1)\ **Replies:** 10\ **Last updated:** [October 14, 2022, 4:56pm UTC](https://forums.unrealengine.com/t/missing-dll-file/415155 "2022-10-14T16:56:41Z")
It would help if you mentioned which dll it is that you’re missing. That’s for Win 10, right? --- ## [UnrealEngine-NvRTX\_Caustics Visual studio 2017 Build Error](https://forums.unrealengine.com/t/unrealengine-nvrtx-caustics-visual-studio-2017-build-error/490085)
**Author:** [@1394DDD](https://forums.unrealengine.com/u/1394DDD)\ **Replies:** 0\ **Last updated:** [October 21, 2021, 12:13pm UTC](https://forums.unrealengine.com/t/unrealengine-nvrtx-caustics-visual-studio-2017-build-error/490085 "2021-10-21T12:13:26Z")
Hello everyone. so im trying to build this unreal project. i folowed the instrucktions that came with the project but \[Link\]\[2\] when i try to build the project i get this output message. then i try to run the proj… --- ## [How can I package runtime dependencies from an engine plugin?](https://forums.unrealengine.com/t/how-can-i-package-runtime-dependencies-from-an-engine-plugin/433361)
**Author:** [@anonymous\_user\_d91a17a0](https://forums.unrealengine.com/u/anonymous_user_d91a17a0)\ **Replies:** 2\ **Last updated:** [September 24, 2021, 4:52pm UTC](https://forums.unrealengine.com/t/how-can-i-package-runtime-dependencies-from-an-engine-plugin/433361 "2021-09-24T16:52:00Z")
I've created a runtime engine plugin that links against some third party dlls. I've included the third party dlls inside Engine\\Plugins\\\<"pluginname"\>\\Binaries\\\\ so they are picked up and loaded automatically (I can't … --- ## [Error when generating Visual Studio project files (.sln)](https://forums.unrealengine.com/t/error-when-generating-visual-studio-project-files-sln/487581)
**Author:** [@Sr.Sharm](https://forums.unrealengine.com/u/Sr.Sharm)\ **Replies:** 0\ **Last updated:** [August 19, 2021, 8:02pm UTC](https://forums.unrealengine.com/t/error-when-generating-visual-studio-project-files-sln/487581 "2021-08-19T20:02:08Z")
I have Unreal Engine 4 4.17 and 4.18 installed and Visual Studio 2017 IDE versions. When I’m press a button to generate VS .sln files, it gives this error: “Running C:/Program Files/Epic Games/UE\_4.17/Engine/Binaries/Do… --- ## [,Fatal error! Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION ntdll.dll!UnknownFunction Windows 11](https://forums.unrealengine.com/t/fatal-error-unhandled-exception-exception-access-violation-ntdll-dll-unknownfunction-windows-11/486354)
**Author:** [@chronic8000](https://forums.unrealengine.com/u/chronic8000)\ **Replies:** 0\ **Last updated:** [July 19, 2021, 6:13am UTC](https://forums.unrealengine.com/t/fatal-error-unhandled-exception-exception-access-violation-ntdll-dll-unknownfunction-windows-11/486354 "2021-07-19T06:13:45Z")
Fatal error! Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION reading address 0x0000000000000000 0x00007ff91ecffa36 msctf.dll!UnknownFunction \[\] 0x00007ff91ed07777 msctf.dll!UnknownFunction \[\] 0x00007ff91ed06946 msctf… --- ## [Msvcp120.dll missing error after a crash](https://forums.unrealengine.com/t/msvcp120-dll-missing-error-after-a-crash/373763)
**Author:** [@anonymous\_user\_816e9894](https://forums.unrealengine.com/u/anonymous_user_816e9894)\ **Replies:** 3\ **Last updated:** [May 31, 2021, 9:09am UTC](https://forums.unrealengine.com/t/msvcp120-dll-missing-error-after-a-crash/373763 "2021-05-31T09:09:22Z")
I reinstalled all drivers and reinstalled epic launcher but, after a system restart I get an error message weirdly .I am on an alien ware laptop so the hardware specification are quiet high --- ## [Quand j'installe des versions du moteur il ya toujour des probleme de dll](https://forums.unrealengine.com/t/quand-jinstalle-des-versions-du-moteur-il-ya-toujour-des-probleme-de-dll/364356)
**Author:** [@freemanfoko](https://forums.unrealengine.com/u/freemanfoko)\ **Replies:** 2\ **Last updated:** [July 21, 2016, 2:53am UTC](https://forums.unrealengine.com/t/quand-jinstalle-des-versions-du-moteur-il-ya-toujour-des-probleme-de-dll/364356 "2016-07-21T02:53:14Z")
a chaque fois que je termine une nouvelle installation du moteur et que je veux l’executer le lanceur m’affiche une erreur en rapport avec des dll manquants quand je telecharge ceux ci sur internet il ne fonctionne toujo… --- ## [Libfbxsdk.dll not found](https://forums.unrealengine.com/t/libfbxsdk-dll-not-found/482927)
**Author:** [@c0r37py](https://forums.unrealengine.com/u/c0r37py)\ **Replies:** 0\ **Last updated:** [May 5, 2021, 9:17am UTC](https://forums.unrealengine.com/t/libfbxsdk-dll-not-found/482927 "2021-05-05T09:17:31Z")
I have build UE4.26.2 from source today using VS2019 and it compiled perfectly. I have created new C++ project in it and played around everything was working perfectly. I restarted the engine using the old project I cr… --- ## [Missing UnrealEnginePython](https://forums.unrealengine.com/t/missing-unrealenginepython/481300)
**Author:** [@anonymous\_user\_f8066750](https://forums.unrealengine.com/u/anonymous_user_f8066750)\ **Replies:** 0\ **Last updated:** [April 3, 2021, 1:07pm UTC](https://forums.unrealengine.com/t/missing-unrealenginepython/481300 "2021-04-03T13:07:22Z")
I wrongly cleaned up the temporal files including some of the essential files for UnrealEngine Launcher. I tried to reinstall but the system doesn’t allow me to do so. How can I solve that problem? I would re-install … --- ## [Failed to load a module that has link with third party dll.](https://forums.unrealengine.com/t/failed-to-load-a-module-that-has-link-with-third-party-dll/475745)
**Author:** [@DesignerJoon](https://forums.unrealengine.com/u/DesignerJoon)\ **Replies:** 6\ **Last updated:** [March 31, 2021, 1:34am UTC](https://forums.unrealengine.com/t/failed-to-load-a-module-that-has-link-with-third-party-dll/475745 "2021-03-31T01:34:48Z")
Hi, I’m trying to make a runtime skp importer with \[this SketchUp C API Document\]\[1\] and the SDK files. I created a plugin using third-party library template and 1. Copied .dll and .lib into the directory where exampl… --- ## [Packaged Project has missing VCRUNTIME140\_1.dll](https://forums.unrealengine.com/t/packaged-project-has-missing-vcruntime140-1-dll/462829)
**Author:** [@magerbeton](https://forums.unrealengine.com/u/magerbeton)\ **Replies:** 6\ **Last updated:** [March 9, 2021, 2:25am UTC](https://forums.unrealengine.com/t/packaged-project-has-missing-vcruntime140-1-dll/462829 "2021-03-09T02:25:02Z")
I package my projects with the ue4-4.24.2 source build and on my PC it runs perfectly fine… On my laptop it returns tis missing the VCRUNTIME140\_1.dll file to execute the code. Which is confusing because when i use the v… --- ## [When I try to launch ue4 4.26 i get a VCRUNTIME140.dll was missing what should i do](https://forums.unrealengine.com/t/when-i-try-to-launch-ue4-4-26-i-get-a-vcruntime140-dll-was-missing-what-should-i-do/476162)
**Author:** [@munemin](https://forums.unrealengine.com/u/munemin)\ **Replies:** 1\ **Last updated:** [December 21, 2020, 5:15am UTC](https://forums.unrealengine.com/t/when-i-try-to-launch-ue4-4-26-i-get-a-vcruntime140-dll-was-missing-what-should-i-do/476162 "2020-12-21T05:15:39Z")
when I try to launch ue4 4.26 i get a VCRUNTIME140.dll was missing what should i do if i cant launch ue4 how will i develop my games --- ## [Missing DLL files and D3D11 Error](https://forums.unrealengine.com/t/missing-dll-files-and-d3d11-error/472138)
**Author:** [@Zag0da](https://forums.unrealengine.com/u/Zag0da)\ **Replies:** 0\ **Last updated:** [September 29, 2020, 4:22pm UTC](https://forums.unrealengine.com/t/missing-dll-files-and-d3d11-error/472138 "2020-09-29T16:22:15Z")
I have currently been working on a game project for near 2 months now, and never run into any bugs/errors that couldn’t be solved until this one. At this time, when I package the game (for windows 64-bit) it will go thr… --- ## [Dlls files not found](https://forums.unrealengine.com/t/dlls-files-not-found/467632)
**Author:** [@AtomZXR](https://forums.unrealengine.com/u/AtomZXR)\ **Replies:** 2\ **Last updated:** [July 4, 2020, 5:22am UTC](https://forums.unrealengine.com/t/dlls-files-not-found/467632 "2020-07-04T05:22:00Z")
Hi I have a problem when I open unreal engine error has shown how do I fix it? 306162- PS: I have reinstalled the engine and the error was not fixed --- ## [DXGI error in launching 4.25](https://forums.unrealengine.com/t/dxgi-error-in-launching-4-25/465108)
**Author:** [@RAJATA\_SAHU](https://forums.unrealengine.com/u/RAJATA_SAHU)\ **Replies:** 1\ **Last updated:** [June 9, 2020, 12:02pm UTC](https://forums.unrealengine.com/t/dxgi-error-in-launching-4-25/465108 "2020-06-09T12:02:00Z")
DXGIGetDebugInterface1 could not be located in the dynamic link library dxgi.dll After hitting OK then its run and stuck at 39% Please help me if anyone have the solution. Thanks a lot. --- ## ['UE4Editor-BlueprintContext.dll is missing on your computer so program (ut editor) could not be opened'](https://forums.unrealengine.com/t/ue4editor-blueprintcontext-dll-is-missing-on-your-computer-so-program-ut-editor-could-not-be-opened/465279)
**Author:** [@anonymous\_user\_e1711728](https://forums.unrealengine.com/u/anonymous_user_e1711728)\ **Replies:** 0\ **Last updated:** [May 16, 2020, 1:55pm UTC](https://forums.unrealengine.com/t/ue4editor-blueprintcontext-dll-is-missing-on-your-computer-so-program-ut-editor-could-not-be-opened/465279 "2020-05-16T13:55:53Z")
i copied this file to binaries / win64 just in case … but it still isn’t opening so … --- ## [Dsetup.dll missing during installation](https://forums.unrealengine.com/t/dsetup-dll-missing-during-installation/456530)
**Author:** [@anonymous\_user\_b7d99689](https://forums.unrealengine.com/u/anonymous_user_b7d99689)\ **Replies:** 1\ **Last updated:** [October 8, 2019, 12:40pm UTC](https://forums.unrealengine.com/t/dsetup-dll-missing-during-installation/456530 "2019-10-08T12:40:41Z")
I’m trying to install the Epic Games Installer to later install Unreal Engine 4 on Windows 10 on my data drive (D:/) because my main one (C:/) is nearly full (I don’t know if it is of any importance). When I run the inst… --- ## [How do you add a third-party lib to the engine](https://forums.unrealengine.com/t/how-do-you-add-a-third-party-lib-to-the-engine/456344)
**Author:** [@anonymous\_user\_814115b8](https://forums.unrealengine.com/u/anonymous_user_814115b8)\ **Replies:** 1\ **Last updated:** [October 4, 2019, 10:03am UTC](https://forums.unrealengine.com/t/how-do-you-add-a-third-party-lib-to-the-engine/456344 "2019-10-04T10:03:03Z")
So I do not want to add a third-party lib to my unreal project. I’m trying to add a third-party lib to the engine. (I’m building the engine from source.) I’ve already got it working by modifying a .build.cs file, beca… --- ## [Epic Games launcher error 0xc000007b](https://forums.unrealengine.com/t/epic-games-launcher-error-0xc000007b/350892)
**Author:** [@Mandrakito](https://forums.unrealengine.com/u/Mandrakito)\ **Replies:** 24\ **Last updated:** [September 23, 2019, 10:17am UTC](https://forums.unrealengine.com/t/epic-games-launcher-error-0xc000007b/350892 "2019-09-23T10:17:55Z")
Hello, im trying to get the unreal launcher because i want to play UT and i want to buy a paragon founders pack but when i try to start the launcher it give me an error code 0xc000007b, i follow some threats that i found… --- ## [Cannot find vcruntime140 at runtime when loading a dll](https://forums.unrealengine.com/t/cannot-find-vcruntime140-at-runtime-when-loading-a-dll/442090)
**Author:** [@viperscape](https://forums.unrealengine.com/u/viperscape)\ **Replies:** 1\ **Last updated:** [September 4, 2019, 1:41pm UTC](https://forums.unrealengine.com/t/cannot-find-vcruntime140-at-runtime-when-loading-a-dll/442090 "2019-09-04T13:41:07Z")
When I load a custom dll I made, the console says it fails to load because of missing imports (vccorlib140,vcruntime140, msvcp140) even though I have the vc++ redistributable installed. If I copy these dlls (from the SXS… --- ## [The following modules are missing or built with a different engine version](https://forums.unrealengine.com/t/the-following-modules-are-missing-or-built-with-a-different-engine-version/392926)
**Author:** [@DW123](https://forums.unrealengine.com/u/DW123)\ **Replies:** 8\ **Last updated:** [August 21, 2019, 2:53pm UTC](https://forums.unrealengine.com/t/the-following-modules-are-missing-or-built-with-a-different-engine-version/392926 "2019-08-21T14:53:13Z")
The following modules are missing or built with a different engine version: UE4Editor-MyProject.dll Would you like to rebuild them now? I clicked yes, and it gives me this error: “MyProject could not be compiled. Tr… --- ## [Launcher frozen with loading bar](https://forums.unrealengine.com/t/launcher-frozen-with-loading-bar/451810)
**Author:** [@KaptinKooshTV](https://forums.unrealengine.com/u/KaptinKooshTV)\ **Replies:** 1\ **Last updated:** [July 8, 2019, 1:39pm UTC](https://forums.unrealengine.com/t/launcher-frozen-with-loading-bar/451810 "2019-07-08T13:39:09Z")
attempting to play apex i get a “core/activationx64.dll” error upon launching epic it freezes but the icon on task bar seems to be loading but the launcher itself freezes repairs tried: vpn, admin perms, repair, unins… --- ## [Visual Studio Error: Ue4Editor-\[classname\]-(random number).dll is missing](https://forums.unrealengine.com/t/visual-studio-error-ue4editor-classname-random-number-dll-is-missing/423315)
**Author:** [@anonymous\_user\_55f51d2d](https://forums.unrealengine.com/u/anonymous_user_55f51d2d)\ **Replies:** 1\ **Last updated:** [June 26, 2019, 1:51pm UTC](https://forums.unrealengine.com/t/visual-studio-error-ue4editor-classname-random-number-dll-is-missing/423315 "2019-06-26T13:51:02Z")
This problem has occurred in all my unreal engine projects in the past few days. It seems to occur after I add a c++ class and build. After I close the editor and visual studio, reopening the editor results in a missing… --- ## [Creating Plugin with .lib and .dll](https://forums.unrealengine.com/t/creating-plugin-with-lib-and-dll/448742)
**Author:** [@Fayre333](https://forums.unrealengine.com/u/Fayre333)\ **Replies:** 3\ **Last updated:** [May 19, 2019, 10:18am UTC](https://forums.unrealengine.com/t/creating-plugin-with-lib-and-dll/448742 "2019-05-19T10:18:52Z")
Hey there, I’m trying to create a plugin that uses some third party libraries. I followed this tutorial to set my plugin up: Unreal Engine: Including a Third-Party Library (on the example of the Point Cloud Library and B… [Next page](https://forums.unrealengine.com/tag/dll-missing/866.md?match_all_tags=true&page=1&tags%5B%5D=dll-missing)