The pbsvnew.dll file you have requested: Tools and Utilities / Server Tools / PunkBuster / PunkBuster (Q3A) Server Files (WIN) - 364kb is not available. Perhaps try browsing all files for the game Quake III Arena and upload any files you want to share or are missing. This is the only information we could locate:
"save as" to your home "pb" folder (note home is where fs_homepath points) - make sure the file you save is saved with the filename shown below. Then issue a /pb_sv_restart command to restart the PB Server with the new version. Players do not need a The following binary builds are only needed if your PunkBuster Server doesn't update by itself.