The install... is from the USB installer or from the internal drive? If Internal drive, you need to select that to complete the installation. Once fully installed, that option will be removed.
Login to complete the installation with the fakeID. Once in the desktop, launch the terminal and run the following commands. You should update after any system change / kexts update.
sudo chmod -Rf 755 /L*/E*
sudo chown -Rf 0:0 /L*/E*
sudo touch -f /L*/E*
sudo chmod -Rf 755 /S*/L*/E*
sudo chown -Rf 0:0 /S*/L*/E*
sudo touch -f /S*/L*/E*
sudo kextcache -Boot -U /