What is accwpac.exe?

The genuine accwpac.exe file is a software component of AccSys Client Software by AccSys GmbH.
Accwpac.exe is an executable file that belongs to the AccSys Client Software, a network connection manager. This is not a critical Windows component and should be removed if known to cause problems. The AccSys Client Software is used to connect AccSys hardware to the Internet via DSL, ISDN, mobile phone networks and other methods. The software is used by many German Internet Service Providers in their back-end systems for mobile and stationary Internet access. AccSys GmbH is a German company that designs and develops back-end technology and security solutions for Internet access, test systems for hardware and communication protocols. The company also provides consulting services for Internet technology. AccSys is based in Munich, Germany.

AccWPAc stands for Access System WPA encryption engine

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 accwpac.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.

Click to Run a Free Scan for accwpac.exe related errors

Accwpac.exe file information

The process known as AccSys WPA encryption engine or accwpac49 belongs to software AccSys WPA engine or AccSys GmbH accwpac49 or DSL Connection Manager by AccSys GmbH (

Description: Accwpac.exe is not essential for the Windows OS and causes relatively few problems. The accwpac.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 172,032 bytes (90% of all occurrences) or 176,128 bytes. 
The program has no visible window. The application uses ports to connect to or from a LAN or the Internet. The file is not a Windows core file. Therefore the technical security rating is 60% dangerous.

Uninstalling this variant: If you want to remove the program completely, go to Control Panel ⇒ Software ⇒ WLAN Monitor or DSL Connection Manager.

Recommended: Identify accwpac.exe related errors

If accwpac.exe is located in a subfolder of the user's profile folder, the security rating is 60% dangerous. The file size is 167,936 bytes. The program has no visible window. The program uses ports to connect to or from a LAN or the Internet. Accwpac.exe is not a Windows system file.

Important: Some malware camouflages itself as accwpac.exe. Therefore, you should check the accwpac.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 accwpac issues

A clean and tidy computer is the key requirement for avoiding problems with accwpac. 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 accwpac.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

accwpac.exe [all]