Many older applications and legacy software tools require to run on modern versions of Windows, such as Windows 10 and 11. While Microsoft typically includes this as a "Feature on Demand," users often encounter errors like 0x800f081f when trying to install it through standard Windows Update.

Once you have the file, you can install it using the tool via the command line.

: If you have the full sxs folder from an ISO, you can use:

The .cab file version must match your Windows version (e.g., a file from a Windows 10 1903 ISO may not work on Windows 10 22H2). How to Install .NET Framework 3.5 Using the CAB File

: Execute the following command, replacing the path with your actual file location:

The file is the essential offline installer package used to bypass these errors and enable .NET 3.5 without an active internet connection. Where to Find microsoft-windows-netfx3-ondemand-package.cab

: For easiest access, copy the .cab file to a simple directory like C:\netfx3\ .

: Once you mount the ISO or insert your installation USB, navigate to the following directory: [Drive Letter]:\sources\sxs\

Newsletter
Wertvolle Tipps und Hinweise
für Ihre Abrechnung
Jetzt anmelden
schließen