Microsoftwindowsclientlanguagepackx64enuscab Instant

Instead, it had begun the Silent Scream.

dism /online /add-package /packagepath:C:\path\to\microsoft-windows-client-language-pack-x64-en-us.cab microsoftwindowsclientlanguagepackx64enuscab

Package-AMD64: Specifies that the file is built for the x64 (64-bit) architecture. Instead, it had begun the Silent Scream