How to fix D3dx9_39.dll, DirectX error

for

System Requirements of League of Legends:

D3dx9_39.dll Missing Error or any other Dll

crash:

These errors are the most common crashes for PC games. Sowhenever dll file is missing from your system, all theseerrors pop-ups. Therefore to fix all these errors, the easiestway is to use DLL file repair tool which is especiallydesigned to solve all kinds of DLL errors. This repair toolcan totally optimize your PC and prevents from DLL errorsin future. When you install this tool, it will scan your PCfor all the damaged or corrupt fix DLL errors and after thatfixes it by updating them with compatible versions.

you can try the below mentioned steps. Even some of them have solved thie error by following the steps listed below:

Go to” C:\Riot Games\League of Legends\RADS\projects”Delete the Folder called “lol_launcher“Relaunch League of LegendsPatcher will download a new “lol_launcher”

Firewall error League of Legends: Unable to

connect