Most antivirus programs identify msxufa.dll as malware—such as McAfee identifies it as potentially unwanted program Generic PUP, and BitDefender identifies it as Adware.VB.
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Description: Msxufa.dll is not essential for Windows and will often cause problems. The msxufa.dll file is located in the C:\Windows\System32 folder.
The file size on Windows 10/8/7/XP is 57,344 bytes.
This is a special .dll file (Dynamic Link Library), which starts automatically when programs are launched. So it can monitor or manipulate all of your program starts. There is no file information. The program has no visible window. Msxufa.dll is not a Windows core file. It monitors program starts. It is an unknown file in the Windows folder. msxufa.dll appears to be a compressed file. Therefore the technical security rating is 66% dangerous.
Recommended: Identify msxufa.dll related errors
Important: You should check the msxufa.dll process on your PC to see if it is a threat. If ProtectedExt Module 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: Security Task Manager examines the active msxufa process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the msxufa.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.