Msxml71.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 msxml71.dll.
The msxml71.dll process does not contain any data about its author.
Description: Msxml71.dll is not essential for Windows and will often cause problems. Msxml71.dll is located in an undetermined folder.
The file size on Windows 10/8/7/XP is 0 bytes.
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 500BCA15-57A7-4eaf-8143-8C619470B13D. The software has no file description. The msxml71.dll file is an unknown file in the Windows folder. Note: File does not exist any longer. The program has no visible window. The file is able to monitor web browsers. The msxml71.dll file is not a Windows system file. Therefore the technical security rating is 65% dangerous, however you should also read the user reviews.
Recommended: Identify msxml71.dll related errors
Important: Some malware camouflages itself as msxml71.dll. Therefore, you should check the msxml71.dll process on your PC to see if it is a threat. If msxml71.dll 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 msxml71 process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the msxml71.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.