The pb_update.zip file you have requested: Official Releases / Patches / Tank'spbupdate - 3.78mb is not available. Perhaps try browsing all files for the game Battlefield 1942 and upload any files you want to share or are missing. This is the only information we could locate:
This is that latest patch for Punkbuster for Battlefield 1942. I give all credit to who ever Tank is. Since you can't get the latest Punkbuster for BF1942 from the Punkbuster website this file will help you upgrade your Punkbuster to the latest version.