To fix Failed to load xgameruntime.dll Error Code 126 in Windows 11/10, reset or reinstall Gaming Services, temporarily disable security software, update graphics ...

Loadlibrary failed with error 126, 1114 or 1455 occurs on launching or installing an application. Here's how to fix the issue.

As such, if the operating system tells you that it encountered a "0x80070643 – ERROR_INSTALL_FAILURE" error, try not to make eye contact with it and go about your day.