The lsdavplnch.exe file you have requested: Tools and Utilities / Utilities / AvP Launcher - 230kb is not available. Perhaps try browsing all files for the game Aliens versus Predator - Classic and upload any files you want to share or are missing. This is the only information we could locate:
The Aliens versus Predator Launcher lets you start the popular FPS action game Aliens versus Predator from a comfortable user interface. Most of the parameters are only accessible if you start the game in DEBUG mode. This special mode is required if Superb launcher for AvP, which allows you to set cheats, what levels to play and what species to play it in, and more.