Menu
If underlying Windows system files are damaged, dependency installers cannot register correctly. Type cmd into your Windows Search bar. Right-click and select Run as administrator .
Yes, is a standard, safe component developed by Epic Games . It is not a virus; it is simply a collection of "building block" libraries that the game needs to talk to your hardware.
Fixing the UE4 Prerequisites x64 Setup Exclusive Error: A Complete Guide
: May include the .NET Framework or specialized components like the Xoreax Incredibuild developer tools for faster compilation. 3. Setup Specifications & Requirements
Then run:
Running Windows UE4 games on Linux using tools like Wine or Proton can sometimes fail to execute the prerequisite installer.
3. Missing DLL Errors (e.g., vcruntime140.dll or msvcp140.dll )
: Other essential DLLs and runtime components that ensure UE4 games launch and function correctly without missing file errors. Unreal Engine Key Functional Aspects Silent Execution
: Essential for running C++ applications built with Visual Studio (specifically 2015, 2017, and 2019 versions). ue4 prerequisites x64 setup exclusive
This is a fatal error often caused by a conflict with an existing version of the Visual C++ Redistributable.
Run Microsoft Install/Uninstall Troubleshooter to clear registry blocks.
Look through the tab for any of the following names: msiexec.exe (Windows Installer) UE4PrereqSetup_x64.exe Setup.exe Right-click the conflicting process and select End Task . Restart your Epic Games Launcher or game installer. 2. Pause or Complete Windows Updates
Right-click the architecture version that matches your system (look for ). Click Change , then click Repair in the window that pops up. If underlying Windows system files are damaged, dependency
Are you trying to launch a or the Unreal Engine Editor ?
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
For anyone packaging an UE4 game: disabling the “exclusive” mode (by removing the /exclusive argument in Build.cs ) reduces support tickets, but risks race conditions during install. The interesting tradeoff is .
What or message is appearing on your screen? Which game or launcher are you trying to open? What version of Windows are you currently running? Yes, is a standard, safe component developed by Epic Games
This is a common concern, as the file name might look suspicious. The executable itself is legitimate software created by Epic Games, not a virus. However, because it makes system-level changes (installing Microsoft runtimes), some overzealous antivirus programs may flag it as suspicious behavior.
We do not rip or host any files on our servers. All files and content are hosted on third-party websites. We do not take responsibility for the content hosted on these external sites. Additionally, we do not rip or pirate any files—we simply collect and share links from other websites. Nothing more.