What is PnkBstrA.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the PnkBstrA.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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PnkBstrA.exe file information

Windows Task Manager with PnkBstrA
PnkBstrA.exe process in Windows Task Manager

The process known as PunkBuster™ Service Component (A) belongs to software Medal of Honor Airborne or Need for Speed ProStreet or Enemy Territory - QUAKE or Need for Speed™ Undercover or PunkBuster or Call of Duty (version 4 - Modern) or PnkBstrA, PnkBstrA by Even Balance (

Description: PnkBstrA.exe is not essential for the Windows OS and causes relatively few problems. PnkBstrA.exe is located in the C:\Windows\System32 folder. Known file sizes on Windows 8/7/XP are 66,872 bytes (74% of all occurrences), 75,064 bytes and 8 more variants. 
The file is a Verisign signed file. There is no file information. The program has no visible window. The file is not a Windows system file. The file has a digital signature. The software listens for or sends data on open ports to a LAN or the Internet. Therefore the technical security rating is 51% dangerous, however you should also read the user reviews.
The software vendor offers the option to uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ Need for Speed™ ProStreet or Enemy Territory - QUAKE.

Recommended: Identify PnkBstrA.exe related errors

Important: Some malware camouflages itself as PnkBstrA.exe, for example Trojan.Paccyn!inf (detected by Symantec), and Virus:Win32/Patchload.O (detected by Microsoft). Therefore, you should check the PnkBstrA.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

If you don't have any Online Games, then this is a spyware...
Apparently I need it for one of my games (didnt come with the download). I dont know where to download it at a safe place
  Anony Mouse  
I was playing BFp4f and i complained about some cheater on the forum. through punkbuster The guy took a picture of my whole desktop (during gameplay 1 daybefore) and posted on the forum as to call me a free loader. Not just the game window... meaning he posted my log ... the funds bought to use on their servers... May be for the good of games but can also be complete and uttely malware !!!
  Furry fury   (further information)
I think it's something for a game, but it was on C:\windows\system64
Once you uninstall your game that you've used it with, it just sits there and suspiciously does suspicious things...
he used to crash my computer on startup
It's in C:\windows\system32. ARMED AND DANGEROUS. however, it's from skidrow. NEVER TRUST KEYGENS OR PIRATE SOFTWARE, learned lesson.
installed alongside PC games as anti-cheat surveillance.
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of PnkBstrA.exe: based on 205 votes with 9 reviews. 95 users think PnkBstrA.exe is essential for Windows or an installed application. 23 users think it's probably harmless. 52 users think it's neither essential nor dangerous. 17 users suspect danger. 18 users think PnkBstrA.exe is dangerous and recommend removing it. 20 users don't grade PnkBstrA.exe ("not sure about it").

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Best practices for resolving PnkBstrA issues

A clean and tidy computer is the key requirement for avoiding problems with PnkBstrA. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off doing a repair of your installation, or in the case of Windows 8, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the PnkBstrA.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

PnkBstrA.exe [all]