The spartan_1111_beta_se_final_hotfix.ace file you have requested: Clear Sky / Mods / Singleplayer / Spartan 11:11 Mod - 5.51mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
This "hotfix" for the Spartain 11:11 Mod Beta SE Final makes the mod a bit more friendly to those with lower-end computers than can't handle all the fancy graphics.