What is 4jbar.dll?

4jbar.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 MindSpark Toolbar Platform.

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4jbar.dll file information

The process known as MindSpark Toolbar Platform or Mindspark Toolbar Platform belongs to software MindSpark Toolbar Platform for Internet Explorer and Firefox or Mindspark Toolbar Platform for Internet Explorer and Firefox or Mindspark Toolbar Platform for Internet Explorer by Mindspark or MindSpark.

Description: 4jbar.dll is not essential for the Windows OS and causes relatively few problems. 4jbar.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 707,728 bytes (33% of all occurrences), 872,008 bytes, 859,720 bytes, 712,264 bytes or 1,037,896 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 48909954-14fb-4971-a7b3-47e7af10b38a. The program has no visible window. The file is a Verisign signed file. The 4jbar.dll file is able to change the behavior of, or monitor Internet Explorer. 4jbar.dll is certified by a trustworthy company. The service has no detailed description. It is not a Windows core file. 4jbar.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 57% dangerous.

Uninstalling this variant: In case you experience problems using 4jbar.dll, you can do the following:
  • use the software publisher's support [1][2]
  • remove the entire program Mindspark Interactive Network or RadioRage Firefox Toolbar using Windows Control Panel

Recommended: Identify 4jbar.dll related errors

Important: Some malware camouflages itself as 4jbar.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the 4jbar.dll process on your PC to see if it is a threat. If MindSpark Toolbar Platform 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 4jbar issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active 4jbar process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the 4jbar.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.

Other processes

4jbar.dll [all]