The CoD4_MW_patch11.zip file you have requested: Official Patches / v11 / Call of Duty 4: Modern Warfare v1.1 Patch - 1.51mb is not available. Perhaps try browsing all files for the game Call of Duty 4: Modern Warfare and upload any files you want to share or are missing. This is the only information we could locate:
A patch udpating Call of Duty 4: Modern Warfare to v1.1. It addresses the issue of Rank / Stat resets reported by users moving from a Modded / Un-ranked server to a non Modded / Ranked Server.