What is ph32svc.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 ph32svc.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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Ph32svc.exe file information

The process known as PROXY: Host for Windows NT belongs to software Proxy Host or ON Command Remote Host by Funk Software (

Description: Ph32svc.exe is not essential for the Windows OS and causes relatively few problems. Ph32svc.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 287,888 bytes (75% of all occurrences) or 242,872 bytes. 
The program has no visible window. It is not a Windows system file. The process listens for or sends data on open ports to a LAN or the Internet. The process can be removed using the Control Panel's Add\Remove programs applet. It is a Verisign signed file. The file is certified by a trustworthy company. Ph32svc.exe is able to record keyboard and mouse inputs, hide itself and monitor applications. Therefore the technical security rating is 25% dangerous.

Uninstalling this variant: If you encounter difficulties with ph32svc.exe, you can uninstall the associated program (Start > Control Panel > Uninstall a Program > Proxy Host or ON Command Remote Host).

Recommended: Identify ph32svc.exe related errors

Important: Some malware camouflages itself as ph32svc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ph32svc.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.


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Best practices for resolving ph32svc issues

A clean and tidy computer is the key requirement for avoiding problems with ph32svc. 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 ph32svc.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

ph32svc.exe [all]