How to remove the mngr virus

Most antivirus programs identify mngr.dll as malware—for example TrendMicro identifies it as ADW_BPROTECT, and Symantec identifies it as Adware.GoonSquad.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the mngr.dll malware

Mngr.dll file information

The process known as Protector appears to belong to software Application Manager or bProtector for Windows by PerformerSoft.

Description: Mngr.dll is not essential for Windows and will often cause problems. The file mngr.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 2,148,376 bytes (39% of all occurrences), 2,147,352 bytes and 5 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. Mngr.dll is certified by a trustworthy company. It is not a Windows core file. It can change the behavior of other programs or manipulate other programs. The program is not visible. The service has no detailed description. The application starts upon Windows startup (see Registry key: AppInit_DLLs). Mngr.dll is able to record keyboard and mouse inputs and monitor applications. Therefore the technical security rating is 73% dangerous.

Uninstalling this variant: You can uninstall Browser Manager or bProtector for Windows, or ask Support team for help. Go to Browser Manager or bProtector for Windows in the Windows Control Panel (Software or Programs section) to uninstall it, or go to for Customer Support.

Recommended: Identify mngr.dll related errors

Important: You should check the mngr.dll process on your PC to see if it is a threat. If Protector 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 ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving mngr issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active mngr process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the mngr.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.

Other processes

mngr.dll [all]