: mpdata is often tied to the CD Key used during installation. If you use a file from another user, you may see a "stats have been reset" error unless you also use a matching key or a "fix" tool.
While using a Level 55 mpdata file is generally not considered "cheating" by the community (since it's often used for recovery), there are risks: STATS RESET? Look no further! SOLUTION! - Call of Duty 4 cod4 mpdata level 55
: You can download a pre-completed Level 55 mpdata file from community sites like solariz.de . : mpdata is often tied to the CD
In the PC version of CoD4 , player statistics are stored locally in the mpdata file. Because progress is tied to this file rather than a centralized cloud server (in the original 2007 version), players can manually back up or replace this file to recover their rank. Look no further
: Look under Steam\steamapps\common\Call of Duty 4\players\profiles\ . How to Get Level 55 Instantly