What does the Crypserv.exe file do?
The Crypserv.exe process is also known as CrypKey License Service or, as the case may be, CrypKey NT Service and is a part of CrypKey Software Licensing System. This software is produced by CrypKey (Canada) (www.crypkey.com) or, as the case may be, Kenonic Controls (www.kenonic.com). An obsolete or defective version of Crypserv.exe can cause problems for your computer that can range from slowness to error messages such as these:
- CrypKey License service has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- CrypKey License service 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)
- Crypserv.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module Crypserv.exe. Read of address 00000000.
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What you should know about Crypserv.exe CrypKey License service
Crypserv.exe is not a Windows system file and is known to frequently cause computer problems. Crypserv.exe is found in the C:\Windows\System32 directory.
Frequently occurring are file sizes such as 122,880 bytes (59% of all these files), 126,976 bytes as well as 10 other variants.
It is the service "Crypkey License".
The Crypserv file is not part of the Windows operating system. This process does not appear as a visible window, but only in Task Manager. The Crypserv file can be found in the Windows folder; however, it is not a Windows system file.
For this reason, 53% 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 Crypserv.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 Crypserv?
License Management Software Doug Wayte | |
Rather useless for comp. soft pirates ;) CyboRtecH | |
never saw it before installing Nemesis Security Suite,probably it's needed for encrypting data from mobile phones. (further information...) Syrus Wolfe |
Summary: 32 users judge Crypserv.exe to be an essential file that should not be touched. 4 users consider it harmless. However, 8 users consider this to be a suspicious process and would like to get rid of it. For this reason, 7 users have already deleted Crypserv.exe. source: file.net
How to uninstall CrypKey Software Licensing System
To remove CrypKey License service 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 CrypKey Software Licensing System in the list of displayed applications.
- Click the program, and then click Uninstall.


How to tell if Crypserv.exe (CrypKey License 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 CrypKey License service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for CrypKey License 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 Crypserv.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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