If you previously used a third-party application or a manually copied ISO, try the official tool: Navigate to the official Microsoft software download page.
On a working computer, visit the official support website of your motherboard manufacturer (e.g., ASUS, MSI, Gigabyte, Dell, HP).
If the media is new and the BIOS is correct, the computer may be losing connection with the hard drive or the installation media during the file copy process.
Follow these troubleshooting steps in order to resolve the issue and successfully install Windows. how to fix windows could not load required file winsetup.dll
: If you can access an existing Windows environment, open the Command Prompt as an administrator and run sfc /scannow to repair corrupted system files. Troubleshooting winsetup.dll Deployment Failures A Technical Brief Executive Summary winsetup.dll
If you are using a USB 3.0 port (usually blue), try a USB 2.0 port instead, as some setup environments lack 3.0 drivers.
Run the update, keeping the computer strictly powered on throughout the process. Summary Checklist Action Item Why It Helps Replaces potentially broken or incomplete download files. Use Rufus (GPT/UEFI) If you previously used a third-party application or
For older computers (older than 2013), set the to MBR and Target system to BIOS (or UEFI-CSM) . Click Start to re-burn the image. Step 3: Reset Your BIOS/UEFI Settings
Switch from a USB 3.0 port (blue) to a (black). Some installers lack USB 3.0 drivers at boot, causing file-read errors.
Encountering the error (often accompanied by error code 0x80070001 ) typically happens during a fresh Windows installation or a major update. This usually means your installation media is corrupted, your drive has partition issues, or there’s a mismatch in BIOS settings. Follow these steps to get your installation back on track. 1. Re-create Your Installation Media Follow these troubleshooting steps in order to resolve
Sometimes the installer cannot access the temporary directory where files are extracted. Navigate to C:\Users\[YourUser]\AppData\Local . Right-click the folder and select Properties .
to ensure you do not reuse it by mistake.