What does the mcshield.exe file do?
The mcshield.exe process is also known as McAfee On-Access Scanner service or, as the case may be, McAfee Scanner service and is a part of VSCORE or, as the case may be, Anti-Malware Core. This software is produced by McAfee (www.mcafee.com) or, as the case may be, Network Associates (nai.com). An obsolete or defective version of mcshield.exe can cause problems for your computer that can range from slowness to error messages such as these:
- McAfee On-Access Scanner service has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- McAfee On-Access Scanner 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)
- mcshield.exe has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module mcshield.exe. Read of address 00000000.
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What you should know about mcshield.exe McAfee On-Access Scanner service
mcshield.exe is not a Windows system file and is known to frequently cause computer problems. The file mcshield.exe is found in a subdirectory of "C:\Program Files\Public Documents".
Frequently occurring are file sizes such as 171,168 bytes (10% of all these files), 166,288 bytes as well as 36 other variants.
It is the mfecore service: McAfee OnAccess Scanner.
This particular software does not appear as a visible window, but only in Task Manager. The original file has a digital certificate (see its file properties). The mcshield file does not come from Microsoft and is not part of the operating system. It possesses a digital signature from Verisign.com, which should confirm its trustworthiness. Mcshield.exe is capable of monitor other applications. For this reason, 21% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
A mcshield.exe file has a 22% certainty of being dangerous if it is found in a subdirectory of "C:\Program Files". In this case, the file size is usually 144,704 bytes (25% of all these files), 221,184 bytes as well as 10 other variants. This particular software does not have a visible window, and does not appear on the taskbar. The mcshield file is not part of the Windows operating system. It possesses a digital signature from Verisign.com, which should confirm its trustworthiness. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit. Mcshield.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 mcshield.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 mcshield?
|It's On-Access Scanner service, by Network Associates, Inc. (VirusScan Enterprise) |
|Part of McAfee VirusScan ASaP (corporate virus scanner) |
|McAffee causes all kinds of problems. Ask your resident tech guru what free antivirus program they recommend and uninstall this garbage. I recommend spybot search and destroy and avast antivirus. (further information...) |
Summary: 56 users judge mcshield.exe to be an essential file that should not be touched. 8 users consider it harmless. However, 21 users consider this to be a suspicious process and would like to get rid of it. For this reason, 37 users have already deleted mcshield.exe. source: file.net
How to uninstall VSCORE or Anti-Malware Core
To remove McAfee On-Access Scanner 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 VSCORE or Anti-Malware Core in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if mcshield.exe (McAfee On-Access Scanner 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 McAfee On-Access Scanner service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for McAfee On-Access Scanner 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 mcshield.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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