WindowsLiveLogin.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 Microsoft Windows Live ID Login Helper.
The process known as Microsoft Windows Live ID Login Helper or Windows Live ID Sign-in Assistant or Windows Live Sign-in Assistant
belongs to software Microsoft Windows Live Login Helper or Windows Live ID Sign-in Assistant or Windows Live Login Helper Object (version 4232, 4311, 3165, 4225) or Microsoft Windows Live ID or Microsoft CoReXT or Windows Live ID Sign-in or Visual Basic for Applications Core or Visual Basic for Applications
by Microsoft (www.microsoft.com).
Description: WindowsLiveLogin.dll is not essential for the Windows OS and causes relatively few problems. The WindowsLiveLogin.dll file is located in a subfolder of "C:\Program Files\Common Files" or sometimes in a subfolder of the user's "Documents" folder.
Known file sizes on Windows 10/8/7/XP are 408,448 bytes (27% of all occurrences), 441,216 bytes and 17 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 9030D464-4C02-4ABF-8ECC-5164760863C6. The program has no visible window. It is able to monitor web browsers. There is no detailed description of this service. The file is not a Windows system file. The file is certified by a trustworthy company. The software can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 50% dangerous, however you should also read the user reviews.
Recommended: Identify WindowsLiveLogin.dll related errors
Important: Some malware camouflages itself as WindowsLiveLogin.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the WindowsLiveLogin.dll process on your PC to see if it is a threat. If Microsoft Windows Live ID Login Helper 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 WindowsLiveLogin process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the WindowsLiveLogin.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.