microsoft-windows-netfx3-ondemand-package.cab an offline installer for .NET Framework 3.5 (which includes .NET 2.0 and 3.0)
: Directly downloading and installing .NET Framework 3.5 from Microsoft's official website can sometimes resolve issues. Ensure you download it from a trusted source to avoid malware. Microsoft-windows-netfx3-ondemand-package.cab Download