What is AcPrfMgrSvc.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 AcPrfMgrSvc.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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AcPrfMgrSvc.exe file information

Windows Task Manager with AcPrfMgrSvc
AcPrfMgrSvc.exe process in Windows Task Manager

The process known as Access Connections Profile Manager Service or Ac Profile Manager Service or ThinkVantage Access Connections Profile Manager Service belongs to software Access Connections or Ac Profile Manager Service or TIBCO Rendezvous GAC Assembly or ThinkVantage Access Connections by Lenovo (

Description: AcPrfMgrSvc.exe is not essential for the Windows OS and causes relatively few problems. The file AcPrfMgrSvc.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 53,248 bytes (36% of all occurrences), 40,960 bytes and 11 more variants. 
The program is not visible. It is not a Windows system file. There is no file information. Therefore the technical security rating is 55% dangerous, however you should also read the user reviews.

Uninstalling this variant: If problems with AcPrfMgrSvc.exe come up, you may want to do the following:
  1) remove the entire program ThinkPad Access Connections using Windows Control Panel
  2) visit the vendor’s support site
  3) update to a possibly bug-fixed version.

Recommended: Identify AcPrfMgrSvc.exe related errors

Important: Some malware camouflages itself as AcPrfMgrSvc.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the AcPrfMgrSvc.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.


User Comments

IBM/Lenovo Access Connections
Connection utility of IBM Thinkpad
AcPrfMgrSvc.exe is the Ac Profile Manager Service installed as a part of ThinkPad Access Connections suite on ThinkPad laptops. This is a non-essential program, but should not be disabled if not suspected to cause problem.
  zubi   (further information)
Its not dangerous
it hangs my explorer.exe in Windows 7

Rating chart

Summary: Average user rating of AcPrfMgrSvc.exe: based on 8 votes with 5 user comments. 5 users think AcPrfMgrSvc.exe is essential for Windows or an installed application. One user thinks it's neither essential nor dangerous. One user suspects danger. One user thinks AcPrfMgrSvc.exe is dangerous and recommends removing it.

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Best practices for resolving AcPrfMgrSvc issues

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

AcPrfMgrSvc.exe [all]