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What does the TFService.exe file do?

The TFService.exe process is also known as PC Tools ThreatFire Service and is a part of ThreatFire or, as the case may be, Spyware Doctor. This software is produced by PC Tools (www.pctools.com). An obsolete or defective version of TFService.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 TFService.exe PC Tools ThreatFire service

TFService.exe is not part of Windows, but it is important nonetheless. The file TFService.exe is found in a subdirectory of "C:\Program Files". Frequently occurring are file sizes such as 70,928 bytes (69% of all these files), 71,008 bytes or, as the case may be, 66,880 bytes.
This TFService program does not have a visible window, and does not appear on the taskbar. The file contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. The producer of the file is registered with a certificate authority. This confirms the genuineness of the file. TFService.exe does not come from Microsoft and is not part of the operating system. For this reason, 23% 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 TFService.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 TFService?

i had threat fire from PC tools, but removed it, yet the process still runs... iv tryed ending program through my task manager, but a program error pops up
It's an Anti-Virus
my pc has started freezing and when I check Task Manager I find TFService.exe using 30-40% of the CPU
uses nearly 50% of CPU all the time. I've started ending the process via task manager
Jim H.

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

How to uninstall ThreatFire or Spyware Doctor

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

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate ThreatFire or Spyware Doctor in the list of displayed applications.
  5. Click the program, and then click Uninstall.
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TFService.exe PC Tools ThreatFire service fix

How to tell if TFService.exe (PC Tools ThreatFire service) 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 ThreatFire service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for PC Tools ThreatFire service 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 TFService.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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