GameuxInstallHelper.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like GameuxInstallHelper.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Flight Simulator X demo) could share the same GameuxInstallHelper.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.
Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when GameuxInstallHelper.dll is attempted to be loaded either when Flight Simulator X demo is starting up, or in some cases already running. Some of the most common GameuxInstallHelper.dll errors include:
- Access Violation at address - GameuxInstallHelper.dll.
- GameuxInstallHelper.dll could not be found.
- Cannot find C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X Demo\GameuxInstallHelper.dll.
- Cannot register GameuxInstallHelper.dll.
- Cannot start Flight Simulator X demo. A required component is missing: GameuxInstallHelper.dll. Please install Flight Simulator X demo again.
- Failed to load GameuxInstallHelper.dll.
- The application has failed to start because GameuxInstallHelper.dll was not found.
- The file GameuxInstallHelper.dll is missing or corrupt.
- This application failed to start because GameuxInstallHelper.dll was not found. Re-installing the application may fix this problem.
Your GameuxInstallHelper.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Flight Simulator X demo), or deleted by a malware infection. Furthermore, GameuxInstallHelper.dll file corruption could be caused from a power outage when loading Flight Simulator X demo, system crash while loading GameuxInstallHelper.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.