Operation Couldn’t Be Completed. Undefined Error:0

When I was installing El Capitan 10.11 using Clover USB flash boot, I got the “operation couldn’t be completed. Undefined Error: 0. Quit the installer to restart your computer and try again. The reason is either the corrupted flash drive or missing all the hidden files in the InstallESD.dmg. I re-created the USB installer and […]