Click the red button.
Follow the prompts and restart.
Here is a guide regarding the download and installation of .NET Framework 3.5 SP1. net framework 3.5 sp1 download
Full support for the Advanced Encryption Standard (AES).
Which you are currently running?
.NET Framework 3.5 SP1 is a legacy software component. Because it is no longer supported by Microsoft and has been superseded by newer versions, finding a safe and functional download requires specific steps.
If offline, verify that the \sources\sxs\ path exists on your Windows installation media. To help troubleshoot or guide your next steps, let me know: Click the red button
Run the installer as Administrator.
These codes mean Windows could not connect to the internet to download the source files. net framework 3.5 sp1 download