This usually means the installation source is missing or corrupt. Ensure your Windows image is healthy. If using the offline installer, try re-downloading the file to ensure it isn't corrupted.
Note: For Windows 10/11, the "offline installer" frequently refers to using the Windows ISO/USB installation media via DISM command, rather than the old dotnetfx35.exe executable, which may not function properly on modern OS versions.
(On Windows Server)
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