The dx90_redist.exe file you have requested: Official Releases / Others / DirectX9 complete installer - 31.83mb is not available. Perhaps try browsing all files for the game Unreal Tournament 2003 and upload any files you want to share or are missing. This is the only information we could locate:
No web based installer here, this is the complete file with all the DirectX9 updates. Just download and run. Make sure you copy it somewhere safe so you don't have to download it again.