What is the ATTToolbar.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 ATTToolbar.dll process is also known as Toolbar Component and is a part of AT&T Toolbar. This software is produced by AT&T (www.att.com). An obsolete or defective version of ATTToolbar.dll can cause problems for your computer that can range from slowness to error messages such as these:
- Toolbar Component has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Toolbar Component 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)
- ATTToolbar.dll has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module ATTToolbar.dll. Read of address 00000000.
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What you should know about ATTToolbar.dll Toolbar Component
ATTToolbar.dll is not part of Windows, but it is important nonetheless. The file ATTToolbar.dll is found in a subdirectory of "C:\Program Files".
The file size is 1,865,544 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 4E7BD74F-2B8D-469E-94BE-FD60BB9AAE29. This ATTToolbar.dll process does not appear as a visible window, but only in Task Manager. ATTToolbar.dll possesses a digital signature from Verisign.com, which should confirm its trustworthiness. As a plug-in of Windows Internet Explorer, this file has the ability to look over your shoulder as you browse the Web. ATTToolbar.dll has a digital signature. This confirms that the producer has been registered with a certificate authority. It is unusual for the service not to provide any indication of how and why it is required. The ATTToolbar file was developed by a so-called third party provider - and not by Microsoft. ATTToolbar.dll is capable of log keyboard entries. For this reason, 48% 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 ATTToolbar.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 ATTToolbar?
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 AT&T Toolbar
To remove Toolbar Component from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for AT&T Toolbar in the list of available programs.
- Click Uninstall.
How to tell if ATTToolbar.dll (Toolbar Component) 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 Toolbar Component. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Toolbar Component 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 ATTToolbar.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.