What is WCESMgr.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 WCESMgr.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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WCESMgr.exe file information

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

The process known as ActiveSync Application belongs to software Microsoft ActiveSync by Microsoft (

Description: WCESMgr.exe is not essential for the Windows OS and causes relatively few problems. The file WCESMgr.exe is located in a subfolder of "C:\Program Files" (mostly C:\Program Files\Microsoft ActiveSync\). Known file sizes on Windows 10/8/7/XP are 4,295,464 bytes (35% of all occurrences), 4,270,888 bytes and 5 more variants. 
WCESMgr.exe is not a Windows system file. The program listens for or sends data on open ports to a LAN or the Internet. The program is not visible. The file has a digital signature. You can uninstall this program in the Control Panel. WCESMgr.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 37% dangerous; however you should also read the user reviews.

Uninstalling this variant: If there are any problems with WCESMgr.exe, you can also uninstall the program using the Control Panel ⇒ Uninstall a ProgramMicrosoft ActiveSync or look for help on the website.

Recommended: Identify WCESMgr.exe related errors

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

Windows CE manager, simply manages your Pocket PC information
Syncronize i700 Pocket PC Phone Editions with MS Office
  metasketch   (further information)
Synchronization manager for WinCE machines
Windows Pocket PC Manager, synch PPC with PC
  Adam   (further information)
is use with activesync, if you are not using your pda then end this process it uses loads of system resorses, slowed my pc down for ages!
It continues to runs at times after a bad synchronisation connection and its 98% CPU time.
Processor intensive
  Vigne Kozacek  
Active Sync Application for PocketPC
It use cpu to the point where allelse stops
Pocket PC utility
necessary for Active Sync synchronization. Doesn't seem to use resources for me except during a sync. Even then, it's minimal.
slow down my PC. 99% use of CPU
  jose Maria  
My firewall stops it from making a connection to
  Toxteth O'Grady  
its a standard windows mobile sync application, don't worry about it
error message appears when I activesync and stops the active sync process
I am informed by HP that WCESMgr.exe is essential to copy files from my HPiPAQ to my PC. WCESMgr.exe reports error message 0000034
The file belongs to Microsoft's ActiveSync, to sync your phone.

Rating chart

Summary: Average user rating of WCESMgr.exe: based on 19 votes with 17 user comments. 13 users think WCESMgr.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 5 users suspect danger. One user is not sure about it.

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Best practices for resolving WCESMgr issues

A clean and tidy computer is the key requirement for avoiding problems with WCESMgr. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the WCESMgr.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

WCESMgr.exe [all]