What does the wanmpsvc.exe file do?
The wanmpsvc.exe process is also known as Wan Miniport (ATW) Service and is a part of America Online or, as the case may be, WAN Miniport (ATW) Service. This software is produced by America Online (www.aol.com). An obsolete or defective version of wanmpsvc.exe can cause problems for your computer that can range from slowness to error messages such as these:
- Wan Miniport service has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Wan Miniport service 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 10, 8, 7)
- wanmpsvc.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module wanmpsvc.exe. Read of address 00000000.
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What you should know about wanmpsvc.exe Wan Miniport service
wanmpsvc.exe is not a Windows system file and is known to frequently cause computer problems. The file wanmpsvc.exe is found in the C:\Windows directory.
The file size is 65,536 bytes.
This particular software does not have a visible window, and does not appear on the taskbar. The file does not come from Microsoft and is not part of the operating system. It is interesting to note that the file is placed in the Windows folder, even though it is not part of the operating system.
For this reason, 51% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
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 wanmpsvc.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 wanmpsvc?
AOL WAN miniport installed by Dell...why can't I delete it w/o interfering w/other Internet connections? I don't use AOL. Birch Hill | |
I dont do AOL & continually find myself deleting Thier crap Ken Peterson | |
It suddenly showed up and started installing itself as a wireless connection that I cannot disconnect. Seems to happen everytime certain individuals send pictures or .doc files. I now have 3 added "dial up" connections but no dial up. I'm thinking it is spyware. Shows up in Network Connections as WAN MINIPORT (ATW) with NO PASSWORD OR ENCRYPTION REQUIRED in the properties (further information...) NorthStar326 |
Summary: 4 users judge wanmpsvc.exe to be an essential file that should not be touched. 3 users consider it harmless. However, 2 users consider this to be a suspicious process and would like to get rid of it. For this reason, 4 users have already deleted wanmpsvc.exe. source: file.net
How to uninstall America Online or WAN Miniport Service
To remove Wan Miniport service from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate America Online or WAN Miniport Service in the list of displayed applications.
- Click the program, and then click Uninstall.


How to tell if wanmpsvc.exe (Wan Miniport service) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Wan Miniport service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Wan Miniport service or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or wanmpsvc.exe is causing problems for you, a good Windows diagnostic tool may very well 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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