If you have an existing Windows installation (even if it won’t boot), you can use DISM to fix the corrupted Windows image that contains WinSetup.dll.
Under the tab, ensure your user account (or "Everyone") has Full Control . 4. Disable Security Software how to fix windows could not load required file winsetup.dll
Type chkdsk C: /f (replace C: with your drive letter) and press . If you have an existing Windows installation (even
: Corrupted files on a USB or DVD are the most common cause. Use the official Microsoft Media Creation Tool to create a fresh, bootable USB drive. Change USB Ports bootable USB drive. Change USB Ports