What does the WmiApSrv.exe file do?
The WmiApSrv.exe process is also known as WMI Performance Reverse Adapter or, as the case may be, WMI Performance Adapter Service and is a part of Microsoft Windows Operating System or, as the case may be, Sistema operativo Microsoft Windows. This software is produced by Microsoft (www.microsoft.com). An outdated or faulty version of WmiApSrv.exe can cause problems for your computer, ranging from slowness to error messages like these:
- WMI Performance Reverse Adapter has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- WMI Performance Reverse Adapter has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- WmiApSrv.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module WmiApSrv.exe. Read of address 00000000.
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What you should know about WmiApSrv.exe WMI Performance Reverse Adapter
The original WmiApSrv.exe file is definitely a Windows system file, but many viruses use the same name in order to remain unnoticed. WmiApSrv.exe is found in a subdirectory of C:\Windows\System32.
Frequently occurring are file sizes such as 126,464 bytes (58% of all these files), 136,192 bytes or, as the case may be, 137,728 bytes.
It is the service "WmiApSrv".
This file is part of the Windows operating system found in C:\Windows\. The program executes in the background, and can only be terminated using Windows Task Manager. The original file was created by Microsoft. The file itself can therefore be considered trustworthy.
WmiApSrv.exe is capable of monitor other applications.
For this reason, 3% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
A WmiApSrv.exe file has a 25% certainty of being dangerous if it is found in a subdirectory of C:\Windows. In this case, the file size is usually 203,264 bytes (50% of all these files) or, as the case may be, 985,600 bytes. This WmiApSrv.exe process does not appear as a visible window, but only in Task Manager. The file does not come from Microsoft and is not part of the operating system. WmiApSrv.exe is capable of track other applications.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves WmiApSrv.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about WmiApSrv?
SPYWARE | |
Do windows XP really need this as a "critical service"? Leorick | |
Microsoft signed file so must be okay | |
This is a windows performance monitoring tool. It is currently filled with bugs including memory leaks. I recomend disabling it in your services. (further information...) lord_demion | |
it can be dangerous.. And you can just terminate it. Useless and possible spyware haistakaa paska koko valtiovalta |
Summary: 3 users consider WmiApSrv.exe essential and should not be removed. One user considers it harmless. However, 2 users consider this to be a suspicious process and would like to get rid of it. For this reason, 3 users have already removed WmiApSrv.exe. source: file.net
How to uninstall the program or Sistema operativo Microsoft Windows
To remove WMI Performance Reverse Adapter from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate the program or Sistema operativo Microsoft Windows in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if WmiApSrv.exe (WMI Performance Reverse Adapter) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of WMI Performance Reverse Adapter. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: WMI Performance Reverse Adapter or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or WmiApSrv.exe is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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