: Download a fresh copy of the Windows Media Creation Tool from Microsoft.
Ensure the installation media matches your CPU architecture. Most modern machines require the 64-bit (x64) version. 4. Disable Third-Party Antivirus could not load required file winsetup dll 0xc1 verified
: Ensure you are running the installation or the tool with elevated privileges. Right-click the setup file and select Run as administrator . : Download a fresh copy of the Windows
If you are already in a Windows environment and seeing this error during an upgrade: could not load required file winsetup dll 0xc1 verified