Welcome to the PC Pitstop Process Library. We have an extensive list of the most common processes currently running on PCs. Use this library to inspect the safety of your running processes on a regular basis.

Click here to run our free scan and see if your computer's processes are safe. To find out how to make your computer faster, try running our Free PC Matic Scan.

Search For Processes

Process Name

  

Unknown Unknown
Safe Safe
User Optional User Optional
Unwanted Unwanted
Spyware / Adware Spyware / Adware
Virus Virus


More than one possible match was found; all matches are listed below in order of their prevalence. This only tells you what the file and the correct action might be.

To understand which possibility is actually running on your own system, perform an Overdrive test and then look at the Software|Processes tab.

You may find more information on this process by visiting Process Detail Pages.


Match #1



cntaosmgr.exe (Trend Micro Plug-in Manager)

Percentage of recently scanned PC's with this process running: 0.15%
Average CPU use for this program: 0%
Average RAM for this program: 2 MB


In addition to the file name, cntaosmgr.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

Vendor contains:Trend Micro Inc.
Product contains:Trend Micro
File name contains:\Trend Micro\

To view version information with Windows Explorer, right-click the file and click Properties, Version.


Vendor or Distributor's Web Site

http://trendmicro.com/


Detailed Description and/or Removal Instructions

http://esupport.trendmicro.com/Pages/An-application-error-related-to-CNTAOSMGR.exe-occurs-on-some-machines.aspx


Win Patrol

Belongs to Trend Micro suite.
Related to Performance Monitor.

cntaosmgr.exe  is required by third-party software or hardware and should not disabled.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.


MD5 hashes is the way that computers can define the uniqueness of a file. Anti malware vendors frequently use this technique to detect and clean malware. It is common for a program to have multiple MD5 hashes as the developers create newer versions of the program. For the program called cntaosmgr.exe, we have detected more than 10 different MD5 hashes. Click on a hash to research the hash in Google.

Program Name MD5 Count
cntaosmgr.exe> 10
MD5 Hashes
# MD5 Size
1 0xbc02a62413d5c7daaed26cbd27ed1073 415352 bytes
2 0xfdf602adde48eb082bf4c8561cd77280 415088 bytes
3 0x7d79990ce2ed0462d7e655b6fa6a53b5 300400 bytes
4 0x809b17004c006ad4f9c0cba554908be2 427384 bytes
5 0x362fe0f6401a0ebb6fa2f9a4f24acbac 435576 bytes
MD5 Hashes
# MD5 Size
6 0x42f903c87abdc68176a1a436470d4b0f 435576 bytes
7 0x105a48207f4cfaba761c44f7a3594685 435576 bytes
8 0xd3961b583d44e65035bf9cec9202a78e 435576 bytes
9 0x485993532a8dedece2883bb851f48b02 415088 bytes
10 0x6b540c11b8ce2cec5f452d4aa304b3fd 435584 bytes

Match #2



cntaosmgr.exe (CNTAoSMgr.exe)

Percentage of recently scanned PC's with this process running: 0.00%
Average CPU use for this program: 0%
Average RAM for this program: 3 MB


In addition to the file name, cntaosmgr.exe, the following version information is used to identify the file. If the file does not match this information, it may be a different file. To ensure the file is absolutely correct, run a free and comprehensive scan.

Vendor contains:Trend Micro Inc.
Product contains:Trend Micro Plug-in Manager
File name contains:\Program Files\Trend Micro\OfficeScan Client\CNTAoSMgr.exe

To view version information with Windows Explorer, right-click the file and click Properties, Version.




Win Patrol

CNTAoSMgr.exe -

cntaosmgr.exe  is returning insufficient information about this program.

PC Pitstop recommends WinPatrol Plus for monitoring all of the background activity on your PC. WinPatrol Plus provides an easy to understand descriptions of over 15,000 processes and programs.




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PC Pitstop is the undisputed leader in PC diagnostics. Our running process library is culled from our database of over 100 million PC diagnostics and scans.

To find the latest driver for your computer we recommend running our Free Driver Scan.

Find out how to make your computer faster by running our Free Performance Scan.

Tips from the PitCrew

Tips from the Pit Crew

Every process running on your computer takes up CPU cycles and valuable memory. For optimal PC performance and resource utilization, you should be aware of every process on your computer. PC Pitstop designed this process library to help you know which processes are worthwhile and others that slow system performance.

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Important Note

A file name alone may not be enough for positive identification. PC Pitstop's Overdrive tests and spyware scan use information such as the company name, product name, or install directory.

If you are unable to identify a file, ask about it in our forums after running our full tests.