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What does the spnsrvnt.exe file do?

The spnsrvnt.exe process is also known as Sentinel Protection Server for SuperPro and UltraPro network keys or, as the case may be, Sentinel Protection Installer (Version 7.2.2) and is a part of Sentinel Protection Installer or, as the case may be, SPI. This software is produced by SafeNet (www.safenet-inc.com) or, as the case may be, Rainbow Technologies (www.safenet-inc.com). An obsolete or defective version of spnsrvnt.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 spnsrvnt.exe spnsrvnt.exe

spnsrvnt.exe is not part of Windows, but it is important nonetheless. The file spnsrvnt.exe is found in a subdirectory of "C:\Program Files\Public Documents". Frequently occurring are file sizes such as 206,400 bytes (30% of all these files), 226,592 bytes as well as 4 other variants.
It is the service "SentinelProtectionServer".
The file has none of the usual file information, such as version number, etc. This file was developed by a so-called third party provider - and not by Microsoft. The application does not appear as a visible window, but only in Task Manager. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit. The original file is digitally signed. Check your file. To remove the file and its related software from your computer, click Programs in Control Panel This spnsrvnt program can initiate a network connection--either to the Internet or on your LAN. For this reason, 27% 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 spnsrvnt.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 spnsrvnt?

Super Pro security dongle/key server.
C. Kinser
Has to do with a Rainbow Technologies Hardware Key for software that requires a hardware key. Might be listening/watching for a network key as opposed to a local machine key.
Greg Carttar
Appears to write to the LPT port every 5 seconds
David Dessert
Part of the Rainbow Drivers or Rainbow Toolkit for their Superpro USB security device
It is for a software key used with Imageing software
Eric Speake

Summary: 22 users judge spnsrvnt.exe to be an essential file that should not be touched. 5 users consider it harmless. However, 4 users consider this to be a suspicious process and would like to get rid of it. For this reason, 4 users have already deleted spnsrvnt.exe. source: file.net

How to uninstall Sentinel Protection Installer or SPI

To remove spnsrvnt.exe 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 Sentinel Protection Installer or SPI in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
spnsrvnt.exe spnsrvnt.exe fix

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