What's a PK3 file?

By call_of_duty
Sep 24, 2005
  1. In call of duty PC mutiplayer it won't let me join games because of my PK3 file is wrong. plz help me. (i'm not a computer genius)

    this is what it said:
    Unpure client detected. Invalid .PK3 files referenced!
  2. urbandragon

    urbandragon TS Rookie Posts: 231

    basically what it is saying is that the PK3 file is not the correct file. It has been modified.

    Typically seen in Pirated copies of the game.

    Is this a legit copy or a pirated one.. if it is legit uninstall the software compeletely and reinstall it.
  3. call_of_duty

    call_of_duty TS Rookie Topic Starter

    thanks man.
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