What does the PSIService.exe file do?
The PSIService.exe process is also known as nTitles PSIService and is a part of ProtexisLicensing or, as the case may be, Corel Painter Essentials (Version 3, 4). This software is produced by Protexis (www.protexis.com) or, as the case may be, Corel (www.corel.com). An obsolete or defective version of PSIService.exe can cause problems for your computer that can range from slowness to error messages such as these:
- nTitles PSIService has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- nTitles PSIService has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- PSIService.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module PSIService.exe. Read of address 00000000.
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What you should know about PSIService.exe nTitles PSIService
PSIService.exe is not a Windows system file and is known to frequently cause computer problems. PSIService.exe is found in the C:\Windows\System32 directory or sometimes in a subdirectory of C:\Windows or, as the case may be, in a subdirectory of "C:\Program Files\Public Documents".
Frequently occurring are file sizes such as 174,656 bytes (71% of all these files) or, as the case may be, 177,704 bytes.
It is the ProtexisLicensing service: Protexis Licensing Service.
The program executes in the background, and can only be terminated using Windows Task Manager. The PSIService file is not part of the Windows operating system. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit.
PSIService.exe is capable of record keystrokes.
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 PSIService.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 PSIService?
Comes with iTunes Kick Astronaut | |
CorelDRAW Graphics Suite X3 | |
Paint Shop Pro file Larry | |
says its coral x paint shop but coral should be the maker not this protexis name | |
its a tracker program |
Summary: 11 users judge PSIService.exe to be an essential file that should not be touched. 5 users consider it harmless. However, 7 users consider this to be a suspicious process and would like to get rid of it. For this reason, 2 users have already deleted PSIService.exe. source: file.net
How to uninstall ProtexisLicensing or Corel Painter Essentials
To remove nTitles PSIService from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate ProtexisLicensing or Corel Painter Essentials in the list of displayed applications.
- Click the program, and then click Uninstall.


How to tell if PSIService.exe (nTitles PSIService) 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 nTitles PSIService. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for nTitles PSIService 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 PSIService.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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