How to get rid of the 4zbar Virus
Sometimes the 4zbar file may hide a virus (, for example Avast found FileRepMetagen [PUP], as well as Kaspersky found not-a-virus:AdWare.Win32.MyWebSearch.jj or, as the case may be, not-a-virus:WebToolbar.Win32.MyWebSearch.ha). If your antivirus software does not detect a virus, try using an additional free antivirus program.Other problems with 4zbar.dll
The 4zbar.dll process is also known as MindSpark Toolbar Platform and is a part of MindSpark Toolbar Platform for Internet Explorer and Firefox. This software is produced by MindSpark. An outdated or faulty version of 4zbar.dll can cause problems for your computer, ranging from slowness to error messages like these:
- MindSpark Toolbar Platform has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- MindSpark Toolbar Platform has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- 4zbar.dll has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module 4zbar.dll. Read of address 00000000.
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What you should know about 4zbar.dll MindSpark Toolbar Platform
4zbar.dll is not a Windows system file and is known to frequently cause computer problems. 4zbar.dll is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 859,720 bytes (20% of all these files), 707,728 bytes as well as 7 other variants.
This DLL file is a browser plug-in. This could mean that your Internet Explorer has been given additional useful capabilities. However, not all such plug-ins are worthwhile. Some just display advertisements or surreptitiously change your browser settings.
The unique identifer of the browser plug-in is 312f84fb-8970-4fd3-bddb-7012eac4afc9.
4zbar.dll can analyze your Internet behavior, since it acts like an Internet Explorer plug-in. The 4zbar file is not part of the Windows operating system. The program executes in the background, and can only be terminated using Windows Task Manager. It is unusual for the service not to provide any indication of how and why it is required. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit. The file possesses a digital signature from Verisign.com, which should confirm its trustworthiness.
4zbar.dll is capable of interpret keystrokes.
For this reason, 54% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
Attention: If you find 4zbar.dll on your computer, please scan it with an anti-virus product. If your anti-virus software does not recognize it as being harmful, then please make sure that you have the latest update of the signature file, or check the file online. For this option, you may want to use Security Task Manager. Here, click on the process with the right mouse button and send the file to an online virus scanner.
What do other computer users say about 4zbar?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall MindSpark Toolbar Platform for Internet Explorer and Firefox
To remove MindSpark Toolbar Platform from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate MindSpark Toolbar Platform for Internet Explorer and Firefox in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if 4zbar.dll (MindSpark Toolbar Platform) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of MindSpark Toolbar Platform. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: MindSpark Toolbar Platform or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or 4zbar.dll is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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