Half-Life WON 1.1.0.9 and 1.1.1.0 won't launch, but 1.1.0.8 works.
Removed the "bunny hopping" exploit that allowed players to move at extreme speeds in HLDM, Counter-Strike , and Team Fortress Classic . Half-Life WON 1
This version is widely considered the last stable build for the "WON" (Pre-Steam) version of the game. Most modern players now use the Half-Life 25th Anniversary Update on Steam, which includes these features and native widescreen support. Are you trying to of the game, or Most modern players now use the Half-Life 25th
Introduced built-in voice chat for multiplayer games. Its primary goal was to integrate new multiplayer
Released in September 2001, version 1.1.0.8 was a major update for the "World Opponent Network" (WON) version of the game before it moved to Steam. Its primary goal was to integrate new multiplayer technologies and security fixes. Key Features and Additions
Fixed a critical buffer overflow exploit and problems where screenshots would overwrite each other.
Addressed "Server Full" errors caused by incorrect handling of player slots. Usage Note