Step 2: Use "Repair Your Computer" (If Windows is installed)
Sometimes, the partition structure on your drive is corrupted.
Faulty system memory can corrupt data while it is being loaded into the RAM during installation.
Use a USB 2.0 port if available. Modern installers sometimes struggle with USB 3.0/3.1 drivers during the initial boot phase. 💿 Method 2: Re-download the ISO File
Go to the official Microsoft Download page and use the Media Creation Tool to download a new, verified version of Windows.
Ensure your matches your drive format (use UEFI for most modern GPT drives). Save and exit. 💾 Method 4: Check Your RAM
This method completely avoids the Windows Setup environment that triggers the winsetup.dll error.
If you are using a USB 3.0 port (blue), try a USB 2.0 port (black). Some older BIOS versions struggle with 3.0 drivers during setup.
Choose "Create installation media (USB flash drive, DVD, or ISO file) for another PC."
Ensure your boot mode matches how you flashed your USB drive. If using GPT, set Boot Mode to UEFI . If using MBR, set Boot Mode to Legacy/CSM . Save changes and exit (usually F10 ). Method 4: Run CHKDSK and SFC via Command Prompt
Visit the official Microsoft site to download the Media Creation Tool .
Save changes and exit (usually ), then try booting from the USB again. Method 3: Test and Reseat Your RAM (Random Access Memory)
The current drive may have hardware faults.
The USB flash drive or DVD used for installation has bad sectors or hardware corruption.
Boot into your target computer's BIOS, locate the flashing utility (e.g., EZ Flash, M-Flash, Q-Flash), and execute the update.
Try running the Windows installation. If it fails, swap that stick for the other one.
If your hard drive or SSD is failing, it will reject files copied during the early extraction phase.