There are some alternatives like downloading and manually placing .dll in System32, but this option is risky, and I haven??™t tried it yet. Therefore, I cannot recommend this course. How to Repair League of Legends Error ???The Program Can??™t Start Because d3dx9_39.dll is Missing From Your Computer??? in Windows 10. Launch error LeagueClient.exe System Error in Windows 8.

A variety of DirectX errors that relate to missing DLL files are quite common in Windows 10. You may run System File Checker scan on the computer which will replace the missing or corrupt files & check if the issue persists. “This application has failed to start because d3dx9_39.dll was not found. Re-installing the application may fix this problem.” It seems it tends to happen that this file is corrupted or missing. You may download it, and try to fix the issue yourself, still you may want to search help via youtube; there are some videos about it. I’d to a complete reinstall of the GPU drivers.

  • Follow the below steps to install DirectX latest version.
  • Download a well-known authentic antivirus software.
  • In fact, all video games include a copy of DirectX in their installation package, which works great with their software.
  • Install only this driver and relaunch League of Legends.

Therefore, the only possible solution is to reinstall the libraries to fix the D3DX9_43.dll error. For that purpose, make sure to check GPU drivers and update them properly. If you have an older graphics card, make sure to download Legacy drivers from OEM??™s official site. In case you??™re not familiar, uninstaller software is a special application that can remove any software from your PC, including all its files and download d3dx9-39_dll here registry entries.

Computer failure caused by missing

If you are running Windows 64 bit (doesn??™t matter which one ??“ XP, Vista, Seven or 8) copy of this file also located at Windows\SysWOW64. Place d3dx9_39.dll in \Windows\System32 if you??™re running 32 bit Windows. If you??™are running 64 bit Windows, additionally place file in \Windows\SysWOW64.

Then reinstall the program to solve the problem safely. Find the required problem application – click it once – in its settings, select the Uninstall option, and continue following the demonstrated instructions. On the website below you will find two different versions of the d3dx9_39.dll to Download. Here you can select between 32 – and 64-Bit. League of Legends d3dx9_39 is ranked 39th by Riot support staff. An administrator error has been encountered with League of Legends.

Method 5: Advanced Trick of Fixing D3dx9_39 dll missing

Don’t worry, as we’ll show you how to solve the error in the following tutorial. In the vast majority of cases, the solution is to properly reinstall d3dx9_43. Dll on your PC, to the Windows system folder. Libraries with the .dll extension are mainly from Visual C ++, the original program of Windows which can sometimes cause conflicts with the system. To correct any errors of the Missing.dll file type, the way to proceed is to reinstall the program in question. As practice shows, the error is caused by an unintentionally deleted D3dx9_43.dll file, which forces applications to crash.

She has been the MiniTool editor since she was graduated from university. She specializes in writing articles about backing up data & systems, cloning disks, and syncing files, etc. She is also good at writing articles about computer knowledge and computer issues. In daily life, she likes running and going to the amusement park with friends to play some exciting items.