Follow the steps below to install: 1. First, run "dxdiag" and "save All Information..." text file on your desktop. 2. Extra the DIRECTX_9C FOR LH.RAR to your desktop. 3. Open DIRECTX_9C FOR LH folder and categorize the files by right-click, arrange icon by "Type" ,Then go down to the .INF files are and slect all the .INF files items, right-click, install all of them at once. after finished installation, system will notice you found new hardwares and needs to install drivers, just let system automatic finding and install driver(s) for each new hardware. 4. Run "LH3718 _DirectPlay_Fix.reg" to fix DirectPlay Erro. 5. Reboot your computer now. 6. After Reboot, run "dxdiag", you shall get DirectX 9.0(4.09.0000.0904) and check back under the "network" item , the DirectPlay Registry Errors should be gone now. 7. Done and enjoy! ### This DirectX 9.0c package has been repacked by me, it's been tested and working on all Windows Longhorn alpha builds (3683 to 4074), please read "How to install" text file carefully before you start. Released by LonghornEater :) File Name: DirectX 9.0c For Windows Longhorn and LH3718 DirectPlay Registry Fix