The ahl_5.5-5.6_patch.zip file you have requested: Mods / Multiplayer / Action Half-life / -Releases / Patches / Half-Life: Action Patch - 1.21mb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
This file updates the Half-Life mod Action Half-Life from version 5.5 to version 5.6. It should fix the crash issues that appeared in the last beta.