What is keyacc.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the keyacc.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Keyacc.exe file information

The process known as KeyAccess for Windows belongs to software KeyServer Package or Sassafras (version K2 Client) by Sassafras Software (

Description: Keyacc.exe is not essential for the Windows OS and causes relatively few problems. Keyacc.exe is located in the C:\Windows folder. The file size on Windows 10/8/7/XP is 176,496 bytes. 
The program has no visible window. The process can be uninstalled in the Control Panel. Keyacc.exe is not a Windows system file. Therefore the technical security rating is 30% dangerous.

Uninstalling this variant: If problems with keyacc.exe come up, you can also uninstall the software KeyServer Client or Sassafras K2 Client using the Uninstall a Program function of Windows Control Panel (Windows: Start, Settings, Control Panel, Uninstall a Program).

Recommended: Identify keyacc.exe related errors

Important: Some malware disguises itself as keyacc.exe, particularly when not located in the C:\Windows folder. Therefore, you should check the keyacc.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


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Best practices for resolving keyacc issues

A clean and tidy computer is the key requirement for avoiding problems with keyacc. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the keyacc.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

keyacc.exe [all]