What is hpztsb04.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 hpztsb04.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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Hpztsb04.exe file information

Windows Task Manager with hpztsb04
Hpztsb04.exe process in Windows Task Manager

The process known as hpztsb04.exe belongs to software HP DeskJet by HP (

Description: Hpztsb04.exe is not essential for the Windows OS and causes relatively few problems. Hpztsb04.exe is located in a subfolder of C:\Windows\System32—mainly C:\WINDOWS\System32\spool\drivers\w32x86\3\. The file size on Windows 10/8/7/XP is 196,608 bytes. 
There is no file information. Hpztsb04.exe is not a Windows core file. The software starts when Windows starts (see Registry key: MACHINE\Run). Hpztsb04.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 25% dangerous, however you should also read the user reviews.

Recommended: Identify hpztsb04.exe related errors

External information from Paul Collins:

Important: Some malware camouflages itself as hpztsb04.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the hpztsb04.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

Für den Drucker :)
    (further information)
Soubor pro tiskárnu HP DeskJet
It's from HP....
This is the process file that runs Deskjet 990 series printers preferences and applies them to all files.
Hewlett Packard Printer Process that allows you change your printer settings from your system tray. Can also be the driver for the connected printer.
HP Printer Driver for HP assistant Harmless
I know it's not dangerous. Weather you need it or not on startup beats me.
  Haggis McMutton  

Rating chart

Summary: Average user rating of hpztsb04.exe: based on 9 votes with 8 user comments. 8 users think hpztsb04.exe is essential for Windows or an installed application. One user thinks it's probably harmless.

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Best practices for resolving hpztsb04 issues

A clean and tidy computer is the key requirement for avoiding problems with hpztsb04. 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 hpztsb04.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

hpztsb04.exe [all]