Ue4 Prerequisites X64 Setup Exclusive |verified| Jun 2026

: Windows is waiting to reboot to apply system files, locking the folders the installer needs.

The "Exclusive" part of the title indicates that the installer is running as a unique or single-instance process—essentially, it is ensuring that it is the only installer writing to certain system files at that moment to prevent conflicts. ue4 prerequisites x64 setup exclusive

Right-click the .exe and select Run as Administrator . : Windows is waiting to reboot to apply