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What does the PCTAVSvc.exe file do?

The PCTAVSvc.exe process is also known as PC Tools AntiVirus Engine and is a part of PC Tools AntiVirus Engine. This software is produced by PC Tools Research Pty (www.pctools.com). An obsolete or defective version of PCTAVSvc.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about PCTAVSvc.exe PC Tools AntiVirus Engine

PCTAVSvc.exe is not part of Windows, but it is important nonetheless. The file PCTAVSvc.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 826,600 bytes (30% of all these files), 933,720 bytes as well as 7 other variants.
The program executes in the background, and can only be terminated using Windows Task Manager. The original file is digitally signed. Check your file. The original file has a digital certificate (see its file properties). It does not come from Microsoft and is not part of the operating system. The PCTAVSvc file also can also affect other applications by changing their properties. Such manipulation can cause an application to do things other than what it is intended to do. PCTAVSvc.exe is capable of track other applications as well as Change the behavior of other applications. For this reason, 40% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves PCTAVSvc.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about PCTAVSvc?

it's part of P Tools, leave it alone
its an antivirus software made by pc tools (further information...)
slmfreeski

Summary: One user judges PCTAVSvc.exe to be an essential file that should not be touched. source: file.net

How to uninstall PC Tools AntiVirus Engine

PCTAVSvc.exe PC Tools AntiVirus Engine fix

To remove PC Tools AntiVirus Engine from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. In Windows 8, look for Control Panel.
  2. Click Control Panel.
  3. Click Uninstall a program.
  4. Look for PC Tools AntiVirus Engine in the list of available programs.
  5. Click Uninstall.

How to tell if PCTAVSvc.exe (PC Tools AntiVirus Engine) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of PC Tools AntiVirus Engine. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for PC Tools AntiVirus Engine or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or PCTAVSvc.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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