What is PS2?

PS2.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if PS2.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for PS2 drivers in need of updating

PS2.sys file information

The process known as PS2 SYS or Ps2 belongs to software Hewlett-Packard Company (version PS2 SYS) or Ps2 by Hewlett-Packard Company (

Description: PS2.sys is not essential for Windows and will often cause problems. PS2.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 19,072 bytes (48% of all occurrences), 14,112 bytes, 23,808 bytes or 26,624 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program is not visible. The service has no detailed description. PS2.sys is not a Windows system file. The PS2.sys file is a Microsoft signed file. PS2.sys appears to be a compressed file. Therefore the technical security rating is 20% dangerous, however you should also read the user reviews.

Recommended: Identify PS2.sys related errors

Important: Some malware camouflages itself as PS2.sys. Therefore, you should check the PS2.sys 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

Could be malware if it's not 14112 bytes or 23808 bytes in size.
  Jess   (further information)
HP genuine file, shouldn't be dangerous - False positive on KAV
my kaspersky av-software says ps2.sys is a keylogger
  Rob Schönlank  

Summary: Average user rating of PS2.sys: based on 1 vote with 3 user comments. One user thinks it's neither essential nor dangerous. 2 users don't grade PS2.sys ("not sure about it").

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Best practices for resolving PS2 issues

A clean and tidy computer is the key requirement for avoiding problems with PS2. 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 repairing of your installation or, for Windows 8 and later versions, 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 PS2.sys 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

PS2.sys [all]