Right-click "Command Prompt" and select
regsvr32 /u mscoree.dll regsvr32 mscoree.dll net framework 3.5 league of legends
The error message typically reads: "This application requires .NET Framework 3.5" or "League of Legends requires .NET Framework 3.5 to run." net framework 3.5 league of legends
Once .NET 3.5 is installed, you will never think about it again—until you reinstall Windows and the error returns. Save this article. You’ll need it next year. net framework 3.5 league of legends