For more reliable bootable media, download Rufus and use it to burn your ISO to the USB. Run SFC and DISM Scans
If you are seeing this error during a fresh install, your USB or ISO is likely corrupted. how to fix windows could not load required file winsetup.dll
If upgrading from within Windows, existing system files may be damaged. For more reliable bootable media, download Rufus and
If possible, use a high-quality USB 3.0 drive with at least 8GB of space. For more reliable bootable media
Faulty RAM or a failing hard drive can lead to read/write errors during installation. 2. Essential Fixes for Windows Installation Recreate Your Installation Media
Understanding why this happens can help you choose the right fix: