Mcieplg.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about SiteAdvisor.
The process known as SiteAdvisor belongs to software McAfee SiteAdvisor or McAfee SecurityCenter or McAfee Total Protection or McAfee Internet Security or McAfee Virtual Technician or McAfee SiteAdvisor Enterprise or McAfee AntiVirus Plus or McAfee Internet Security Suite by McAfee (www.mcafee.com).
Description: Mcieplg.dll is not essential for the Windows OS and causes relatively few problems. The file mcieplg.dll is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of the user's profile folder.
Known file sizes on Windows 10/8/7/XP are 150,032 bytes (10% of all occurrences), 262,080 bytes and 23 more variants.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include B164E929-A1B6-4A06-B104-2CD0E90A88FF. The program is not visible. It is able to monitor web browsers. There is no detailed description of this service. It is not a Windows core file. It is a Verisign signed file. The file is digitally signed. Mcieplg.dll is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 48% dangerous, however you should also read the user reviews.
Recommended: Identify mcieplg.dll related errors
Important: Some malware camouflages itself as mcieplg.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the mcieplg.dll process on your PC to see if it is a threat. If SiteAdvisor has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active mcieplg process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the mcieplg.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. 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.
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