What is pctsAuxs.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 pctsAuxs.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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PctsAuxs.exe file information

Windows Task Manager with pctsAuxs
PctsAuxs.exe process in Windows Task Manager

The process known as PC Tools Auxiliary Service belongs to software Spyware Doctor or PC Tools Internet Security (version 2009, 2010) or PC Tools Spyware Doctor with AntiVirus or PC Tools AntiVirus Free or Spyware Doctor with AntiVirus or PC Tools Spyware Doctor by PC Tools (

Description: PctsAuxs.exe is not essential for the Windows OS and causes relatively few problems. PctsAuxs.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 747,912 bytes (30% of all occurrences), 356,920 bytes and 10 more variants. 
There is no information about the author of the file. The program has no visible window. The pctsAuxs.exe file is a Verisign signed file. The file is digitally signed. PctsAuxs.exe is not a Windows core file. PctsAuxs.exe is able to monitor applications, manipulate other programs and record keyboard and mouse inputs. Therefore the technical security rating is 29% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with pctsAuxs.exe, you could also do the following:
  1) uninstall Spyware Doctor or PC Tools Spyware Doctor with AntiVirus from your computer using the Control Panel applet Uninstall a Program
  2) contact to assist you
  3) search for an update [1][2] on the vendor’s website.

Recommended: Identify pctsAuxs.exe related errors

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

pctsAuxs belongs to SpyDorctor
  Greg Morse  
pctsAuxs.exe is able to monitor applications, manipulate other programs, record inputs. And also a part of the "Spyware Doctor" anti-malware program

Summary: Average user rating of pctsAuxs.exe: based on 1 vote with 2 user comments. One user thinks it's probably harmless. One user is not sure about it.

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Best practices for resolving pctsAuxs issues

A clean and tidy computer is the key requirement for avoiding problems with pctsAuxs. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the pctsAuxs.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

pctsAuxs.exe [all]