What is the u4bar.dll component needed for?Simply stated, a DLL file is an unnamed executable file. It cannot be directly invoked, but it can be called by any executable Windows program.
The u4bar.dll process is also known as MindSpark Toolbar Platform or, as the case may be, Guffins and is a part of MindSpark Toolbar Platform for Internet Explorer and Firefox or, as the case may be, Guffins for Internet Explorer and Firefox. This software is produced by MindSpark or, as the case may be, Guffins. An obsolete or defective version of u4bar.dll can cause problems for your computer that can range from slowness to error messages such as these:
- MindSpark Toolbar Platform has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 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 10, 8, 7)
- u4bar.dll has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module u4bar.dll. Read of address 00000000.
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What you should know about u4bar.dll MindSpark Toolbar Platform
u4bar.dll is not part of Windows, but it is important nonetheless. U4bar.dll is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 669,072 bytes (33% of all these files), 689,552 bytes, 675,840 bytes, 702,464 bytes or, as the case may be, 703,632 bytes.
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 a916eefe-6a17-4d7d-a131-2738b260bb55. This u4bar program does not appear as a visible window, but only in Task Manager. It can analyze your Internet behavior, since it acts like an Internet Explorer plug-in. There is no concrete documentation available for this service. The file is no part of Microsoft Windows. The u4bar file possesses a digital signature from Verisign.com, which should confirm its trustworthiness. The original file has been signed by a trusted signature authority. This lets you check your copy to see if it is a counterfeit. U4bar.dll is capable of log keyboard entries. For this reason, 54% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves u4bar.dll. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about u4bar?
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 or Guffins for Internet Explorer and Firefox
To remove MindSpark Toolbar Platform from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate MindSpark Toolbar Platform for Internet Explorer and Firefox or Guffins for Internet Explorer and Firefox in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if u4bar.dll (MindSpark Toolbar Platform) was uninstalled cleanly
After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well 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. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.
What to do if a program does not uninstall
The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.
Last but not least
If Windows not working quite right for you, or if startup is taking a long time, or u4bar.dll is causing problems for you, a good Windows diagnostic tool may very well 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.