Ue4 Prerequisites -x64-: Setup Download |work|

The installer is already running in the background. Fix:

Deploy via command line or SCCM/Intune:

# Check VC++ Redist (x64) exists Get-ItemProperty HKLM:\Software\Microsoft\VisualStudio\14.0\VC\Runtimes\x64 | Select Version Ue4 Prerequisites -x64- Setup Download

UE4PrereqSetup_x64.exe /quiet /norestart The installer is already running in the background

UE4 Prerequisites (x64) Setup Download: The Ultimate Guide to Fixing Launcher Errors Ue4 Prerequisites -x64- Setup Download

Corrupt Windows Installer cache or pending reboot. Fix: