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What is pthosttr.exe?

Pthosttr.exe is a executable file (a program) within Windows. The filename extension .exe denotes an executable file. You should only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. The free file information forum can help you determine if pthosttr.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or to an application you can trust.

Pthosttr.exe file information

The process known as Adds Security Manager System Tray functionality or HP ProtectTools Security Manager belongs to software HP ProtectTools Security or HP ProtectTools Security Manager (version 2.00 C3) or pthosttr Application by Hewlett-Packard Development Company, L.P (www.hp.com).

Description: Pthosttr.exe is not essential for Windows and will often cause problems. pthosttr.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 7/XP are 73,728 bytes (33% of all occurrences), 122,880 bytes and 4 more variants. http://www.file.net/process/pthosttr.exe.html 
There is an icon for this program on the taskbar next to the clock. The program has a visible window. The pthosttr.exe file is not a Windows core file. Therefore the technical security rating is 17% dangerous, however also read the users reviews.
You can do the following:

  • use the software provider's support site
  • uninstall HP ProtectTools Security Manager 2.00 C3 or HP ProtectTools Security from your computer using the Control Panel applet "Add/Remove programs"

Recommended: Identify pthosttr.exe related errors

Important: Some malware camouflages itself as pthosttr.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the pthosttr.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

It writes a log file in C:\Documents and Settings\All Users\Application Data\hpqLog, and this can get very BIG. Mine was 67 Mb before I noticed after using the Laptop for 3 years. You can delete the log file and it will just create an new one next time it runs.
It's a process for ProtectTools security manager.
  John   (further information)

Summary: Average user rating of pthosttr.exe: based on 2 votes with 2 user comments.
One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Pthosttr scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, trojans, keyloggers, malware and tracking threats from your hard disk. Ideal supplement to Security Task Manager.

SpeedUpMyPC scans, cleans, repairs and optimizes your computer.

Other processes

pthosttr.exe [all]