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Tutorial info Visit support topic

  • Added on: Oct 16 2009 08:07 PM
  • Date Updated: Nov 04 2010 07:46 PM
  • Views: 8885

Fix PnKBstrA.exe & PnKBstrB.exe

How to fix handshaking failed, Losing Key Packets and server communication failure pnkbstra.exe and pnkbstrb.exe

Posted by -=Medic=- on Oct 16 2009 08:07 PM
Credit: Fearless Assassins

This tutorial Works for all games running punkbuster

Before start with this be sure your Punkbuster is already updated, for this read and follow instructions here

After doing all this, and still got kicked, just restart your pc.

PnKBstrA.exe Failed Communication and got kicked from the server, How to fix it? Follow those 2 steps:


Click on Start -> Control panel -> System and Security -> Administrative tools -> Click on Services > Find PnkBstrA and then Right Click

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Go To -> Log On -> Select Local System account -> Mark Allow service to interact with desktop -> Hit Apply and close all

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Click on Computer -> Browse you PC and go to -> C:\Windows\System32 -> Look for PnKBstrA -> Do Right Click on PnKBstrA -> Select Properties

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Go to Compatibility -> Mark Run this program as an administrator -> Hit Apply and Close all (notice you can do the same thing for PnKBstrB)

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Here you, you may need to restart your PC if you ever still get the same error.