"Setup is copying temporary files..." 10%... 50%... 85%.
: If you are using a USB 3.0 port (usually blue), try plugging the installation drive into a USB 2.0 port instead. Sometimes, setup lacks the necessary drivers for USB 3.0 during the early stages of installation. Bypass Child Completion Errors how to fix windows could not load required file winsetup.dll
The error reads:
In rare cases, the file is missing from the sources folder on your USB. You can manually copy it from the ISO. "Setup is copying temporary files