What is wmiadap.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 wmiadap.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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Wmiadap.exe file information

The process known as WMI or WMI Reverse Performance Adapter Maintenance Utility belongs to software Microsoft Windows Operating System or Olimp Utilities by Microsoft ( or Olimp Systems.

Description: Wmiadap.exe is not essential for Windows and will often cause problems. Wmiadap.exe is located in a subfolder of "C:\Program Files"—normally C:\WINDOWS\system32\WBEM\. Known file sizes on Windows 10/8/7/XP are 196,608 bytes (96% of all occurrences), 183,808 bytes and 7 more variants. 
There is no description of the program. The program has no visible window. Wmiadap.exe is not a Windows system file. It is a trustworthy file from Microsoft. Wmiadap.exe is able to monitor applications. Therefore the technical security rating is 22% dangerous; however you should also read the user reviews.

Recommended: Identify wmiadap.exe related errors

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

I have never touched my OS, but when I tried to click on WMIadap etc. (reverse performance) in Task Manager, it disappeared, avoiding the mouse. Suspicious and dangerous
  Very Wary User  
My computer runs windows8 and it made the computer go haywire! The screen started flashing and it hijacked the task bar and desktop. I had to do a reset and that seemed to work. I strongly suggest removing it if it causes instability!
WMIADAP.exe is used to rebuild the WMI Classes with proper Performance Libray objects/counters and populate with valid recalculated data, it doesn't send any data outside the OS. More useful on Windows 2003/XP machines, on Windows 2008/Vista and above has been superseded by new providers.
  Tiberius70   (further information)
its just a performance counter. tells other programs in your system the condition of your network, memory, disk system, whether indexing is working, if terminal services is working, etc etc.
  Will   (further information)
it starts up every morning when windows enters net,i turn it off in task manager,it stops some programs from working,i believe its microsoft either stealing or ruining programs.
I ran something that I suspected was a virus on a test machine and as it turns out, it is a virus. After I ran it, it disappeared and wmiadap appeared as a new process that I don't recall ever seeing before.
this file "wmiadap" does conneck to the internet via a hacker, it sends and gathers commands from hacker to make changes in your reg. sys.
I attempted to open chrome, but it would not open. I ran Rkill and that process was eliminated, the internet runs great now, a little sketchy but I wouldn't suggest removing it.
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of wmiadap.exe: based on 29 votes with 9 reviews. 6 users think wmiadap.exe is essential for Windows or an installed application. 4 users think it's probably harmless. 2 users think it's neither essential nor dangerous. 4 users suspect danger. 13 users think wmiadap.exe is dangerous and recommend removing it. 9 users don't grade wmiadap.exe ("not sure about it").

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Best practices for resolving wmiadap issues

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

wmiadap.exe [all]